Delta Air Lines (DAL)

Company ID: 168 | CIK: 0000027904
10-Q view:
No 10-Q YTD data
No 10-Q 3M data
No 10-K data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q YTD data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q YTD data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-K data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q YTD data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
No 10-Q 3M data
Segments are charted by their disclosed metrics (revenue, segment profit, etc.). Each line is a single segment. Reconciliation/corporate items are excluded. Major customers are shown as a percentage of revenue. Operational KPIs are grouped by metric concept; sub-metrics appear as separate lines.

Geographic Segments

No 10-Q data

Business Unit / Product Segments

Major Customers (% of Revenue)

No major-customer concentration data found.

Operational KPIs

Cargo Ton Mile Yield (arpu)

No 10-K data

Available Seat Miles (asm)

Loyalty program deferred revenue (backlog)

Available Ton Miles (capacity)

Revenue ton miles (cargo_tonnage)

Customers served (customers)

No 10-Q data

Customers Served (customers_served)

No 10-Q data

Fleet Size (fleet_size)

Average aircraft utilization (fleet_utilization)

Full-time equivalent employees (headcount)

Breakeven passenger load factor (load_factor)

On-time arrival rate (on_time_delivery)

No 10-Q data

Aircraft purchase commitments (order_book)

Aircraft purchase commitments (orders_received)

Adjusted total revenue per ASM (other)

No 10-K data

Air traffic liability (other)

No 10-K data

Aircraft delivery commitments (other)

No 10-K data

Aircraft fuel gallons consumed (other)

No 10-Q data

Aircraft on order (other)

No 10-K data

Aircraft options (other)

No 10-K data

Aircraft out of service (other)

No 10-K data

Aircraft purchase commitments (other)

No 10-K data

Aircraft rolling options (other)

No 10-K data

Aircraft temporarily parked (other)

No 10-K data

American Express cash sales (other)

No 10-Q data

American Express remuneration (other)

No 10-Q data

Amex cash sales (other)

No 10-K data

Available ton miles (other)

No 10-Q data

Average Fuel Price (other)

No 10-Q data

Average Fuel Price per Gallon (other)

No 10-Q data

Average Price Per Fuel Gallon (other)

Average Price Per Fuel Gallon (Adjusted) (other)

No 10-Q data

Average age of aircraft fleet (other)

No 10-Q data

Average aircraft fleet age (other)

No 10-Q data

Average aircraft fuel price (other)

No 10-Q data

Average fleet age (other)

Average fuel price (other)

No 10-K data

Average fuel price adjusted (other)

No 10-K data

Average fuel price per gallon (other)

Average fuel price per gallon adjusted (other)

No 10-K data

Average fuel price per gallon, adjusted (other)

No 10-K data

Average jet fuel price (other)

No 10-Q data

Average jet fuel price per gallon (other)

No 10-Q data

Average mainline fleet age (other)

Average price per fuel gallon (other)

Average price per fuel gallon adjusted (other)

No 10-K data

Average price per fuel gallon, adjusted (other)

No 10-K data

Award Travel Percentage (other)

No 10-Q data

Award redemptions (other)

No 10-Q data

Award tickets redeemed (other)

No 10-Q data

Award travel redemptions (other)

No 10-Q data

Award travel share of miles (other)

No 10-Q data

Award travel share of revenue miles (other)

No 10-Q data

Branded Fares revenue (other)

No 10-Q data

Breakeven load factor (other)

No 10-K data

Breakeven passenger load factor (other)

CASM (other)

No 10-K data

CASM excluding fuel (other)

No 10-K data

CASM excluding fuel and other items (other)

No 10-K data

CASM excluding special items (other)

No 10-K data

CASM-Ex (other)

No 10-K data

Cancel-free days (other)

No 10-Q data

Carbon offset expense (other)

No 10-Q data

Cargo Ton Mile Yield (other)

No 10-K data

Cargo ton mile yield (other)

Cash refunds issued (other)

No 10-K data

Cities served (other)

No 10-Q data

Co-brand credit card revenue (other)

No 10-Q data

Common Shares Outstanding (other)

No 10-Q data

Common Stock Outstanding (other)

No 10-Q data

Completion factor (other)

No 10-Q data

Contract carrier aircraft (other)

No 10-Q data

Contract carrier aircraft operated (other)

No 10-K data

Contract carrier fleet (other)

No 10-K data

Contract carriers (other)

No 10-K data

Cost per ASM (other)

Cost per ASM excluding fuel (other)

No 10-K data

Cost per ASM excluding special items (other)

No 10-K data

Cost per ASM, excluding fuel (other)

No 10-K data

Cost per available seat mile (other)

Cost per seat mile (other)

No 10-Q data

Countries served (other)

No 10-Q data

Customer refunds issued (other)

No 10-K data

DOT customer complaints decline (other)

No 10-Q data

Daily Flights (other)

No 10-Q data

Daily departures (other)

No 10-Q data

Daily flights (other)

No 10-Q data

Days of zero cancellations (other)

No 10-Q data

Days with zero cancellations (other)

No 10-Q data

Days with zero mainline cancellations (other)

No 10-Q data

Debt and finance leases (other)

No 10-Q data

Destinations (other)

No 10-Q data

Destinations including partners (other)

No 10-K data

Destinations served (other)

Direct channel ticket sales (other)

No 10-Q data

Domestic cities served (other)

No 10-Q data

Firm order aircraft expenditures (other)

No 10-K data

Firm order expenditures (other)

No 10-K data

Fleet average age (other)

No 10-K data

Flight completion factor (other)

No 10-Q data

Foreign cities served (other)

No 10-Q data

Free Wi-Fi enabled aircraft (other)

No 10-Q data

Fuel Consumption (other)

No 10-Q data

Fuel Gallons Consumed (other)

Fuel as percent of operating expense (other)

No 10-Q data

Fuel consumption hedged (other)

No 10-Q data

Fuel expense percent of operating expense (other)

No 10-K data

Fuel gallons consumed (other)

Fuel gallons hedged (other)

No 10-K data

Fuel hedge coverage (other)

No 10-K data

Fuel hedge volume (other)

No 10-K data

Fuel price per gallon (other)

No 10-K data

Fuel requirements hedged (other)

Future aircraft expenditures (other)

No 10-K data

International cities served (other)

No 10-Q data

Internet sales share (other)

No 10-K data

Jet Fuel Consumed (other)

No 10-Q data

Jet Fuel Consumption (other)

No 10-Q data

Jet Fuel Supply (other)

No 10-Q data

Jet Fuel Supply from Refinery (other)

No 10-Q data

Jet fuel average price (other)

No 10-Q data

Jet fuel consumed (other)

No 10-Q data

Jet fuel gallons consumed (other)

No 10-Q data

Liquidity (other)

Mainline fleet age (other)

No 10-K data

Mainline fleet average age (other)

No 10-K data

Merger synergies achieved (other)

No 10-Q data

Miles redeemed (other)

No 10-Q data

Net promoter score (other)

No 10-Q data

Non-fuel CASM (other)

No 10-K data

Non-fuel cost per ASM (other)

Non-fuel cost per seat mile (other)

No 10-Q data

Non-fuel operating cost per ASM (other)

No 10-K data

Non-fuel unit cost (CASM-Ex) (other)

No 10-Q data

Number of Reportable Segments (other)

No 10-Q data

Operating Cost Per ASM (other)

Operating Cost Per Available Seat Mile (other)

Operating Cost per ASM (other)

Operating Revenue Per ASM (other)

Operating Revenue Per Available Seat Mile (other)

No 10-K data

Operating Revenue per ASM (other)

No 10-K data

Operating cost excluding fuel (other)

No 10-K data

Operating cost per ASM (other)

Operating cost per ASM excluding fuel (other)

Operating cost per ASM excluding special items (other)

No 10-K data

Operating cost per ASM excluding specified items (other)

No 10-K data

Operating cost per ASM, non-fuel (other)

No 10-K data

Operating cost per ATM (other)

No 10-Q data

Operating cost per available seat mile (other)

No 10-Q data

Operating margin (other)

No 10-K data

Operating revenue per ASM (other)

Operating revenue per available seat mile (other)

No 10-Q data

PRASM (other)

No 10-K data

Passenger Mile Yield (other)

Passenger Revenue Per Available Seat Mile (other)

No 10-Q data

Passenger Revenue per ASM (other)

No 10-Q data

Passenger Revenue per Available Seat Mile (other)

No 10-K data

Passenger mile yield (other)

Passenger revenue per ASM (other)

Passenger revenue per available seat mile (other)

Passenger revenue per seat mile (other)

No 10-Q data

Peak-day flights (other)

No 10-Q data

Pension benefit obligation (other)

No 10-Q data

Percentage of projected fuel consumption hedged (other)

No 10-K data

Premium product revenue share (other)

No 10-Q data

Premium product share of passenger revenue (other)

No 10-Q data

Profit sharing expense (other)

No 10-Q data

Profit sharing payout (other)

No 10-Q data

Projected fuel consumption hedged (other)

No 10-K data

RINs market price (other)

No 10-K data

Refinery jet fuel supplied (other)

No 10-K data

Refinery jet fuel supply (other)

No 10-K data

Regional carrier fleet (other)

No 10-K data

Regional carrier passenger revenue share (other)

No 10-Q data

Regional carrier revenue share (other)

No 10-Q data

Regional fleet (other)

No 10-K data

Return on invested capital (other)

No 10-Q data

Revenue Ton Miles (other)

No 10-K data

Revenue ton miles (other)

Rolling options (other)

No 10-K data

Securities outstanding under equity plans (other)

No 10-Q data

Shared rewards payout (other)

No 10-Q data

Shares available for future issuance (other)

No 10-Q data

Shares outstanding (other)

SkyMiles Award Redemptions (other)

No 10-Q data

SkyMiles Miles Redeemed (other)

No 10-Q data

SkyMiles award redemptions (other)

No 10-Q data

SkyMiles miles redeemed (other)

No 10-Q data

SkyMiles redeemed (other)

No 10-Q data

TRASM (other)

No 10-K data

TRASM adjusted (other)

No 10-K data

TRASM, adjusted (other)

No 10-K data

Tickets sold through direct channels (other)

No 10-Q data

Total Operating Revenue per ASM (other)

No 10-Q data

Total Revenue per ASM (other)

No 10-Q data

Total operating cost per ASM (other)

No 10-Q data

Total revenue per ASM (other)

Total revenue per ASM, adjusted (other)

No 10-K data

Total revenue per available seat mile (other)

No 10-Q data

Total revenue per seat mile (other)

No 10-Q data

Undrawn credit facilities (other)

No 10-K data

Undrawn revolving credit (other)

No 10-K data

Undrawn revolving credit facilities (other)

No 10-K data

Union representation (other)

No 10-K data

Union represented employees (other)

No 10-K data

Union-represented employees (other)

No 10-K data

Unionized workforce share (other)

No 10-Q data

Unit Cost (other)

No 10-Q data

Unrestricted liquidity (other)

Voluntary separation participants (other)

No 10-K data

Weighted-average exercise price (other)

No 10-Q data

Award tickets redeemed (passengers)

Jet fuel consumed (production_volume)

Refinery Production (refining_throughput)

Revenue Passenger Miles (rpm)

Aircraft deliveries (units_shipped)

No 10-Q data

New SkyMiles members (users)

No 10-Q data
Human capital disclosures. Workforce totals and demographics are point-in-time. Flow metrics use the year-to-date period for 10-Q and full year for 10-K. Workforce actions (RIFs, restructurings, acquisition-related changes) are listed in the table at the bottom.

Workforce Totals

Demographics

No 10-Q data

Workforce Breakdowns

No 10-Q data

HCM Metrics — Point-in-Time

No point-in-time HCM metrics found.

HCM Metrics — Flow (Annual / YTD)

No 10-K data

Workforce Actions

Period EndTypeStatusAffected% WorkforceAnnouncedExpected CompletionGeographySegment / FunctionChargeSourceNote
2025-09-30othercompleted5002025-09-30United StatesFlight Superintendents (Dispatchers)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Amendment to collective bargaining agreement with Delta Flight Superintendents (Dispatchers) represented by PAFCA; covers approximately 500 employees and becomes amendable beginning 2030-08-01. Announced during the September 2025 quarter; no severance or headcount reduction disclosed.
2025-09-30othercompleted5002025-09-30Flight Superintendents (Dispatchers)other
f5-10q / Qwen3.6-27B-Q8_0		Amended collective bargaining agreement with Delta Flight Superintendents (Dispatchers) represented by PAFCA, covering approximately 500 employees.
2023-12-31othercompleted16,9602023-03-31United StatesFlight Operations — Delta mainline pilotsUSD 864 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Four-year Pilot Working Agreement ratified in March 2023, effective 2023-01-01, with an initial 18% pay rate increase. Charge of $864M comprises a $735M one-time ratification payment plus approximately $130M of other benefit-related adjustments. Pilot count is the union-represented group size, not a separations count; agreement becomes amendable 2026-12-31.
2023-12-31othercompleted2023-04-01United StatesNon-pilot employeesMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Base pay increases of 5% effective 2023-04-01 for eligible non-pilot employees; no affected-employee count or incremental charge separately quantified.
2023-09-30othercompleted2023-03-31United StatesFlight operations (pilots)USD 864 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta pilots ratified a new four-year Pilot Working Agreement effective 2023-01-01, with an initial 18% pay rate increase. One-time ratification payment of $735M plus ~$130M benefit-related adjustments recorded in the March 2023 quarter; $864M total recorded in nine months ended 2023-09-30. Announcement date shown as quarter-end of ratification quarter (exact ratification date not stated in filing).
2023-09-30othercompleted2023-03-31PilotsUSD 865 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Ratification of new four-year Pilot Working Agreement effective Jan 1, 2023. Includes $735M one-time payment and ~$130M adjustments to benefit-related items.
2023-06-30othercompleted2023-03-31United StatesFlight operations (pilots)USD 864 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta pilots ratified a new four-year Pilot Working Agreement effective January 1, 2023, in the March 2023 quarter. Includes an 18% initial pay rate increase, a one-time ratification payment of $735 million, and approximately $130 million of benefit-related adjustments, recorded as $864 million in pilot agreement and related expenses for the six months ended June 30, 2023.
2023-06-30othercompletedUnited StatesRegional carrier operations (CRJ-200 fleet)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		All remaining CRJ-200 aircraft were retired from regional service during the June 2023 quarter; no associated employee count disclosed.
2023-06-30othercompleted2023-03-312023-03-31United StatesPilotsUSD 864 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Ratification of new four-year Pilot Working Agreement effective Jan 1, 2023. Includes one-time payment of $735 million and ~$130 million in benefit-related adjustments recorded in Q1 2023.
2023-03-31othercompleted2023-03-31United StatesFlight operations (pilots)USD 864 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta pilots ratified a new four-year Pilot Working Agreement effective January 1, 2023, with an initial 18% pay rate increase. Includes a one-time ratification payment of $735 million plus approximately $130 million of benefit-related adjustments, recorded in pilot agreement and related expenses ($864 million total charge in Q1 2023).
2023-03-31otherannounced2023-03-31United StatesAll eligible employeesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		A 5% base pay increase for eligible employees was announced during the March 2023 quarter, effective April 1, 2023 (after quarter end).
2023-03-31othercompleted2023-03-31PilotsUSD 864 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Ratification of new four-year Pilot Working Agreement effective Jan 1, 2023. Includes $735M one-time payment and ~$130M adjustments to benefit-related items. Recorded in 'Pilot agreement and related expenses'.
2022-12-31otherannounced15,0402022-122023-03-01United StatesFlight Operations — Delta pilots (ALPA)USD 700 (millions)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Agreement in Principle reached December 2022; ratified by ALPA Master Executive Council January 2023, subject to pilot ratification vote closing 2023-03-01 (after fiscal year-end, before filing date 2023-02-10). One-time payment not accrued at 2022-12-31 due to voting uncertainty. Affected count is the approximate number of Delta pilots represented by ALPA; agreement also includes work rule changes.
2022-12-31voluntary_separationin_progress2020-03-01GlobalAllUSD 3,400 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Voluntary early retirement and separation programs announced in 2020. $3.4 billion charge recorded in 2020. Cash payments of $440 million disbursed in 2022. Program ongoing.
2022-12-31restructuringin_progressUSD -124,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressOperating Segments [Member] / Airline [Member]USD -124,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressOperating Segments [Member] / Refinery [Member]USD 0 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressFleet Retirements [Member]USD -48,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressVoluntary Programs And Other Employee Benefit Charges [Member]USD -79,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressOther Restructuring [Member]USD 3,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-06-30otherin_progress18,000Flight operations, in-flight service, reservations and customer care, airport customer serviceMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 18,000 employees hired cumulatively since the June 2021 quarter to support returning demand and capacity; figure is a trailing 12-month total, not a quarterly count. MD&A also notes a 4% base pay increase effective May 1, 2022 and added premium pay/overtime.
2022-03-31restructuringin_progressUSD -5 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Recognized $5 million of net adjustments to certain restructuring charges from 2020 programs, representing changes in estimates.
2022-03-31restructuringin_progressUSD -5,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-12-31voluntary_separationin_progress18,000United StatesMerit, ground, flight attendant and pilot employeesUSD 3,400 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Program announced in the second half of 2020; ~18,000 participants is a cumulative figure. $575M of separation payments were disbursed during 2021, ~$500M expected in 2022, remainder in 2023 and beyond. Charge of $3.4B (incl. $1.3B special termination benefits) was recorded in 2020.
2021-12-31othercompleted1,700United StatesPilotsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Approximately 1,700 pilots recalled from inactive status back to active service during 2021 as capacity was restored.
2021-12-31othercompleted20,000United StatesVariousMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Approximately 20,000 employees elected voluntary unpaid leaves of absence of 30 days to 12 months at various times during 2021 (versus ~50,000 during 2020). Employees restored to full work hours on January 1, 2021.
2021-12-31voluntary_separationcompleted18,0002020-03-012021-12-31United StatesAllUSD 3,400 (millions)Item 1. Business - Employee Matters
f5-10k / Qwen3.6-27B-Q8_0		Approximately 18,000 employees elected to participate in voluntary separation programs in 2020. The filing notes these programs were offered in response to the pandemic. While the election window closed in 2020, the action is referenced in the 2021 context regarding workforce reduction and subsequent rehiring. The $3.4 billion charge was recorded in 2020.
2021-12-31restructuringin_progressUSD -19,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressOperating Segments [Member] / Airline [Member]USD -19,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressOperating Segments [Member] / Refinery [Member]USD 0 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-09-30voluntary_separationin_progress18,0002020United StatesAirlineUSD 3,400 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program elected in second half of 2020; initially reduced workforce ~20%, some positions later refilled. Total charge $3.4B including other employee benefit charges. Cash payments: $720M in 2020, $435M in nine months 2021, ~$600M expected 2021, ~$500M in 2022, remainder 2023+. Q3 2021 recorded $33M net adjustment increasing prior estimates (nine months 2021 net $(3)M).
2021-09-30othercompleted1,7002021-01-01United StatesFlight operations (pilots)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 1,700 pilots recalled from inactive status to active service, coinciding with restoration of full work hours for employees on January 1, 2021.
2021-09-30voluntary_separationcompleted18,0002020-06-01GlobalAllUSD 3,400 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Approximately 18,000 employees elected to participate in voluntary separation programs in H2 2020. Total charge recorded in 2020 was $3.4 billion. Cash payments of $435 million disbursed in first nine months of 2021.
2021-09-30restructuringin_progress2021-09-30GlobalAllUSD 33 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Recognized $33 million of net adjustments to increase certain restructuring charges from 2020 programs, representing changes in estimates.
2021-09-30restructuringin_progressUSD 33,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-09-30restructuringin_progressOperating Segments [Member] / Airline [Member]USD 33,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-09-30restructuringin_progressOperating Segments [Member] / Refinery [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-09-30restructuringin_progressIntersegment Eliminations [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-06-30voluntary_separationcompleted18,000United StatesAllUSD 3,400 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 18,000 employees elected voluntary separation programs in H2 2020, reducing workforce ~20%. $3.4B total charge; ~$300M disbursed in H1 2021, ~$720M in 2020; ~$600M expected in 2021 with remainder in 2022+.
2021-06-30otherin_progress8,000United StatesAllMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 8,000 employees took voluntary unpaid leaves of absence during the June 2021 quarter, compared to ~45,000 in the June 2020 quarter.
2021-06-30othercompleted1,700United StatesFlight Operations (Pilots)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 1,700 pilots recalled from inactive status to active service beginning January 1, 2021 as demand recovered.
2021-06-30voluntary_separationcompleted18,00020%2020-06-30GlobalAll functionsUSD 3,400 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Approximately 18,000 employees elected to participate in voluntary separation programs in the second half of 2020, reducing workforce by approximately 20%. Total charge was $3.4 billion.
2021-06-30otherin_progress8,0002021-06-30GlobalVariousMD&A
f5-10q / Qwen3.6-27B-Q8_0		Approximately 8,000 employees took voluntary unpaid leaves of absence during the June 2021 quarter.
2021-06-30otherin_progress1,7002021-01-01GlobalFlight OperationsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Recalled approximately 1,700 pilots on inactive status to active service as of January 1, 2021.
2021-06-30restructuringin_progressUSD 8,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-06-30restructuringin_progressOperating Segments [Member] / Airline [Member]USD 8,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-06-30restructuringin_progressOperating Segments [Member] / Refinery [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-06-30restructuringin_progressIntersegment Eliminations [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-03-31voluntary_separationin_progress18,00020%USD 3,400 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program elected in second half of 2020; about 18,000 employees, roughly 20% of workforce. Roughly $150M paid in Q1 2021, about $600M expected during 2021, remainder in 2022 and beyond. Implied workforce base of about 90,000 cannot be validated because no total headcount is disclosed in this filing.
2021-03-31otherin_progress13,000MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 13,000 employees took voluntary unpaid leaves of absence during the March 2021 quarter; not counted as separations.
2021-03-31otherannounced1,7002021-10-31PilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Plan to recall approximately 1,700 pilots placed on inactive status, between March and October 2021; announcement date not stated.
2021-03-31restructuringin_progressUSD 44 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q1 2021 recognized $44M of adjustments to 2020 restructuring charge estimates; no employee count disclosed for this adjustment.
2021-03-31voluntary_separationin_progress18,0002020-06-30GlobalAll functionsUSD 3,400 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Approximately 18,000 employees elected to participate in voluntary separation programs in the second half of 2020, reducing workforce by approx 20%. Total charge recorded in 2020 was $3.4 billion. Approx $150 million disbursed in Q1 2021.
2021-03-31otherin_progress13,000GlobalAll functionsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Approximately 13,000 employees took voluntary unpaid leaves of absence during the March 2021 quarter.
2021-03-31restructuringcompletedUSD -44 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Recognized $44 million of adjustments to certain restructuring charges recorded in 2020, representing changes in estimates.
2020-12-31voluntary_separationcompleted18,0002020-06-302020-09-30United StatesMerit, ground, flight attendant and pilot employeesUSD 3,409 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Announced during the June 2020 quarter; election and revocation windows closed during the September 2020 quarter with approximately 18,000 participants, reducing workforce by approximately 20%. Charge includes $1.3B special termination benefits (retiree medical accounts) plus separation payments and healthcare benefits. Approximately $720M paid to participants in cash during 2020; ~$600M expected in 2021.
2020-12-31othercompleted50,0002020-03-312021-12-31United StatesMost employee groupsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Voluntary unpaid leaves of 30 days to 12 months offered beginning March 2020; approximately 50,000 employees took or elected a leave, with leaves of up to 12 months continuing into 2021. No involuntary furloughs of U.S. employees occurred in 2020.
2020-12-31restructuringin_progress2025-12-31GlobalAirline segment — fleet (777, 767-300ER, 717, MD-90, CRJ-200, 737-700, A320, MD-88)USD 4,409 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Impairment and related charges for early retirement of 383 aircraft across fleet types; 227 aircraft were permanently retired during 2020, with remaining retirements scheduled through the December 2025 quarter. Approximately 125 aircraft temporarily parked at 2020 year-end. Decision timing during 2020 not specified by date; employees affected not disclosed. Remaining aggregate net book value of these aircraft after impairment was approximately $500M.
2020-12-31othercompleted2020-04-012020-12-31United StatesExecutive management and front-line employee work groupsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		From April 1 through December 31, 2020: 100% salary reduction for the CEO, 50% for officers, and a 25% reduction in work hours for all other management and most front-line employee work groups. Headcount not reduced.
2020-12-31divestiture_reductioncompleted2020-01-312020-01-31United StatesDelta Private Jetsother
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Delta Private Jets, a wholly owned subsidiary, was combined with Wheels Up in January 2020, resulting in deconsolidation and a 24% equity stake; a $240M gain was recognized. Employees affected not disclosed; announcement date given only as month (January 2020).
2020-12-31voluntary_separationcompleted18,0002020-06-012020-09-30United StatesAllUSD 3,409 (millions)Item_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Approximately 18,000 employees participated in early retirement and voluntary separation programs. Election window closed in September 2020. Charge of $3.4 billion recorded in restructuring charges.
2020-12-31othercompleted50,0002020-03-012021-12-31United StatesAllItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Approximately 50,000 employees volunteered to take unpaid leaves of absence ranging from 30 days to 12 months. Not a reduction in force, but a significant workforce action.
2020-12-31restructuringin_progressUSD 8,219,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progressFleet Retirements [Member]USD 4,409,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progressVoluntary Programs And Other Employee Benefit Charges [Member]USD 3,409,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progressOther Restructuring [Member]USD 401,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progressOperating Segments [Member] / Airline [Member]USD 8,219,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progressOperating Segments [Member] / Refinery [Member]USD 0 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-09-30voluntary_separationcompleted18,0002020-062020-09-30United StatesMerit, ground, flight attendant and pilot employeesUSD 3,100 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Election and revocation windows closed during the September 2020 quarter; most departures occurred in that quarter. Charge includes $1.3 billion of special termination benefits (enhanced retiree healthcare); approximately $543 million of cash paid to participants in Q3, with remaining payments in 2021 and 2022.
2020-09-30otherin_progress50,000Most employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary unpaid leaves of 30 days to 12 months offered to most employees; approximately 50,000 have taken or elected to take leave. MD&A separately states nearly 40,000 employees took leave during all or a portion of the September 2020 quarter. No start date or charge disclosed.
2020-09-30layoffannounced1,700United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilots notified of potential furloughs of approximately 1,700 after October 31, 2020, subject to avoiding furloughs through alternative courses of action being negotiated with ALPA. No announcement date or charge disclosed.
2020-09-30othercompleted2020-062020-06-30United StatesRegional carriers (Delta Connection)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Compass and GoJet ceased operating on Delta's behalf during the June 2020 quarter; contracts had been scheduled to terminate by end of 2020. Aircraft reassigned to other regional carriers. Affects carrier workforce, not Delta headcount; no employee count disclosed.
2020-09-30voluntary_separationcompleted18,0002020-06-302020-09-30United StatesMerit, ground, flight attendant, and pilot employeesUSD 3,100 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary early retirement and separation programs. Election windows closed in Q3 2020. Charge includes $1.3B special termination benefits.
2020-09-30otherin_progress50,0002020-03-01GlobalMost employeesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Voluntary unpaid leaves of 30 days to 12 months. Approximately 50,000 employees have taken or elected to take leaves.
2020-09-30otherannounced1,7002020-09-302020-10-31United StatesPilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Potential furloughs of approximately 1,700 pilots after October 31, 2020. Company working with ALPA to avoid furloughs.
2020-09-30restructuringin_progressUSD 5,345,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progressVoluntary Early Retirement And Separation Program [Member]USD 3,100,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progressOperating Segments [Member] / Airline [Member]USD 5,345,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progressOperating Segments [Member] / Refinery [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progressIntersegment Eliminations [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30voluntary_separationannounced2020-06-302020-08-01United StatesU.S. merit, ground, flight attendant and pilot employeesUSD 3,300 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Estimated charge range $2.7B–$3.3B expected in Q3 2020; enrollment closes July 2020; ~$500M–$600M cash portion in Q3 2020. No employee count disclosed.
2020-06-30otherin_progress45,0002020-03-01GlobalMost employeesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 45,000 employees took or volunteered for voluntary unpaid leaves of 30 days to 12 months.
2020-06-30otherin_progress2020-03-012020-09-30GlobalOfficers, director-level, management and front-line employeesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Salary reductions of 50% for officers and 25% for director-level employees through Q2 2020; 25% work-hour reduction for management and most front-line employees beginning Q3 2020.
2020-06-30otherin_progress2020-03-01GlobalAll functionsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Company-wide hiring freeze instituted beginning March 2020.
2020-06-30restructuringin_progress2020-04-012020-10-31GlobalFleet operations — retirement of MD-90, 777, 737-700, 767-300ER, A320, MD-88 fleetsUSD 2,454 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q2 2020 restructuring charges of $2,454M include fleet impairment charges ($1.4B 777, $330M MD-90, $220M 737-700, $180M 767-300ER, $60M A320) and $98M receivable reserves. ~600 aircraft parked; ~100 permanently parked. No employee count tied to fleet retirements disclosed.
2020-06-30voluntary_separationin_progress2020-06-302020-08-01United StatesMerit, ground, flight attendant, and pilot employeesUSD 3,000 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary early retirement and separation programs announced. Enrollment closes July 2020. Estimated charge of $2.7B-$3.3B to be recorded in Q3 2020. No charges recorded in Q2 2020 as election windows close in Q3.
2020-06-30othercompleted45,0002020-03-01GlobalMost employeesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Approximately 45,000 employees have taken or volunteered to take voluntary unpaid leaves of 30 days to 12 months.
2020-06-30restructuringin_progressUSD 2,454,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progressLATAM Airlines Group S.A. [Member]USD 62,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progressOperating Segments [Member] / Airline [Member]USD 2,454,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progressOperating Segments [Member] / Refinery [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progressIntersegment Eliminations [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-03-31voluntary_separationannounced35,0002020-03-312020-06-30United StatesMost employees across work groupsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary unpaid leaves of 30 days to 12 months offered to most employees; approximately 35,000 volunteered, beginning in the June 2020 quarter.
2020-03-31otherannounced2020-03-31United StatesOfficers and director-level employeesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Salary reductions of 50% for officers and 25% for director-level employees; 25% work-hour reduction for other management and most front-line groups; company-wide hiring freeze instituted.
2020-03-31plant_closurein_progress2020-03-312020-07-31United StatesMD-88 fleet operationsUSD 22 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		MD-88 fleet retirement accelerated from December 2020 to end of July 2020; $22 million impairment charge recorded. 18 MD-88 aircraft in active fleet at quarter-end.
2020-03-31otherin_progress2020-03-312020-06-30United StatesAirport facilities / Delta Sky ClubsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Consolidation of airport facility footprint including temporary closure of most Delta Sky Clubs; no employee count disclosed.
2020-03-31othercompleted2020-04-012020-04-30United StatesRegional carrier operations (Compass Airlines, GoJet Airlines)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In April 2020, Compass and GoJet ceased operations on Delta's behalf; contracts were previously scheduled to terminate by end of 2020. Combined 18 aircraft (12 Compass, 6 GoJet) affected; no employee count disclosed.
2020-03-31voluntary_separationannounced35,0002020-03-31GlobalAll functionsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Voluntary unpaid leaves of 30 days to 12 months offered to most employees. Approximately 35,000 employees volunteered to take leaves beginning in the June 2020 quarter.
2020-03-31otherannounced2020-03-31GlobalOfficers and DirectorsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Salary reductions of 50% for officers and 25% for director level employees.
2020-03-31otherannounced2020-03-31GlobalManagement and Front-lineMD&A
f5-10q / Qwen3.6-27B-Q8_0		25% reduction in work hours for all other management and most front-line employee work groups.
2020-03-31otherannounced2020-03-31GlobalAll functionsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Company-wide hiring freeze instituted.
2019-12-31otherannounced20192020-12-31United StatesDelta Connection — Compass Airlines (regional carrier)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Delta and Compass Airlines agreed in 2019 not to renew their contract, ending the relationship by end of 2020. Affects a third-party carrier's workforce; no employee count or charge disclosed.
2019-12-31otherannounced20192020-12-31United StatesDelta Connection — GoJet Airlines CRJ-700 operations (regional carrier)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Delta and GoJet agreed in 2019 not to renew the CRJ-700 contract, ending those operations by end of 2020. Affects a third-party carrier's workforce; no employee count or charge disclosed.
2019-12-31otherannounced2020-012020-12-31United StatesDelta Connection — GoJet Airlines CRJ-900 operations (regional carrier)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		In January 2020 (after fiscal year-end) Delta agreed not to renew the GoJet CRJ-900 contract, ending those operations by end of 2020. Contract carrier obligations table still reflects the contract as of 2019-12-31.
2019-12-31divestiture_reductioncompleted2020-012020-01United StatesDelta Private Jetssubsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		In January 2020 Delta combined wholly owned Delta Private Jets with Wheels Up and received a 27% equity stake; Delta Private Jets is no longer consolidated, removing its workforce (approximately $200 million of annual revenue) from Delta's results. Headcount not disclosed.
2019-09-30otherannounced2019-09-302020-12-31United StatesRegional carrier operations (Compass Airlines — Embraer 175 fleet)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta and Compass Airlines agreed during the September 2019 quarter not to renew their contract, ending the relationship by end of 2020; affects 36 E175 aircraft operated by Compass. Exact announcement date not specified; no employee count or charge disclosed. Affects third-party carrier workforce, not Delta employees.
2019-09-30otherannounced2019-09-302020-12-31United StatesRegional carrier operations (GoJet Airlines — CRJ-700 fleet)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta and GoJet Airlines agreed during the September 2019 quarter not to renew the CRJ-700 contract, ending those operations by end of 2020; affects 20 CRJ-700 aircraft. GoJet's seven CRJ-900 remain contracted through 2022. Exact announcement date not specified; no employee count or charge disclosed. Affects third-party carrier workforce, not Delta employees.
2018-12-31divestiture_reductioncompleted2018-12-312018-12-31United StatesGround support, equipment maintenance and security services (DAL Global Services)discontinued_operations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		DGS sold in December 2018 to a subsidiary of Argenbright Holdings; Delta retained a non-controlling 49% stake and received $40 million cash, recognizing a $91 million gain. Headcount transferred not disclosed. DGS had approximately $200 million of annual third-party expenses and about $350 million of internal Delta-related expenses in each of 2018 and 2017.
2018-12-31restructuringin_progressUnited StatesRegional operations (Endeavor Air CRJ-200 fleet)USD 284 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		On adoption of the lease standard (2018-01-01), 43 parked Endeavor CRJ-200 aircraft were determined impaired; transition adjustment reduced equity by $284 million net of tax and reduced 2018 lease expense by $75 million. Aircraft-level action; associated employee headcount impact not disclosed.
2018-12-31restructuringin_progressUSD 1,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2018-09-30restructuringin_progressUSD 184 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Liability balance as of Sept 30, 2018. Charges primarily include remaining lease payments for permanently grounded aircraft related to domestic and Pacific fleet restructurings. Employee count not disclosed.
2016-12-31restructuringin_progress2015United StatesAirline segment — merit, ground and flight attendant employeesUSD 11 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Program announced during 2015 comprising a voluntary retirement program for eligible U.S. employees and an involuntary merit restructuring initiative; $11 million recognized in salaries and related costs during 2016 (vs. $51 million in 2015). Severance liability balance fell from $52 million to $4 million during 2016. Employees affected not disclosed.
2016-12-31restructuringin_progress2014United StatesAirline segment — fleet and lease restructuringUSD 1 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Multi-year fleet and lease restructuring covering retirement of B-747-400 aircraft and removal of 50-seat regional aircraft. Only current-year activity extracted: $1 million of additional lease restructuring costs in 2016; no charge recorded in restructuring and other for 2016. Lease restructuring liability declined from $415 million to $329 million during 2016. Employees affected not disclosed.
2016-12-31voluntary_separationcompleted2015-01-012016-12-31United StatesMeritUSD 11 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Voluntary retirement program for eligible U.S. employees announced in 2015. $11 million charge recognized in 2016 in salaries and related costs.
2016-12-31restructuringcompleted2015-01-012016-12-31United StatesMeritUSD 11 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Involuntary merit restructuring initiative announced in 2015. $11 million charge recognized in 2016 in salaries and related costs.
2016-12-31restructuringin_progressEmployee Severance [Member]USD 11,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2016-12-31restructuringin_progressLease Agreements [Member]USD 1,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2016-09-30otherannounced2016-09-30United StatesPilots / Flight Operationsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comprehensive agreement in principle reached with ALPA for a new Pilot Working Agreement on the last day of the quarter. Ratification process could take several months; if ratified, pilots receive an 18% pay increase retroactive to January 1, 2016. Number of pilots covered not disclosed.
2016-09-30restructuringin_progressUnited StatesAirline segment — domestic and Pacific fleet restructuringUSD 15 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance and related costs liability was $19M at September 30, 2016 after $15M of additional costs and $48M of payments year-to-date; no employee count disclosed. Domestic initiative replaces 50-seat regional and older B-757-200 aircraft; Pacific initiative removes B-747-400 aircraft. Separate lease restructuring liability of $352M relates to payments for permanently grounded aircraft, not employee severance.
2016-09-30restructuringin_progressUSD 19 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance and related costs liability balance as of September 30, 2016.
2016-09-30restructuringin_progressUSD 352 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Lease restructuring liability balance as of September 30, 2016, related to permanently grounded aircraft.
2016-09-30restructuringin_progressEmployee Severance [Member]USD 15,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-09-30restructuringin_progressLease Agreements [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-06-30restructuringin_progressUnited StatesAirlineUSD 8 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance and related costs liability: $52M at Jan 1, 2016, $8M additional costs, $(46)M payments, $14M at Jun 30, 2016. No employee count disclosed. Related lease restructuring ($371M liability) covers grounded aircraft, not headcount.
2016-06-30restructuringin_progressUSD 14 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance and related costs liability as of June 30, 2016. Includes domestic and Pacific fleet restructurings.
2016-06-30restructuringin_progressUSD 371 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Lease restructuring liability as of June 30, 2016. Includes remaining lease payments for permanently grounded aircraft related to domestic and Pacific fleet restructurings.
2016-06-30restructuringin_progressEmployee Severance [Member]USD 8,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-06-30restructuringin_progressLease Agreements [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-03-31restructuringin_progressUnited StatesAirlineUSD 22 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance and related costs liability of $22M at March 31, 2016 (from $52M at January 1, 2016; $1M added, $31M paid). No employee count disclosed. Related lease restructuring liability of $393M covers remaining payments on permanently grounded aircraft from domestic and Pacific fleet restructurings, not employee separations.
2016-03-31restructuringin_progressEmployee Severance [Member]USD 1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-03-31restructuringin_progressLease Agreements [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2015-12-31voluntary_separationcompleted2015-01-012015-12-31United StatesEligible U.S. employeesUSD 51 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Voluntary retirement program announced during 2015; $51M charge recorded in salaries and related costs covers both this program and the involuntary merit restructuring initiative. Employee count not disclosed.
2015-12-31restructuringcompleted2015-01-012015-12-31United StatesMerit-eligible employeesUSD 51 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Involuntary merit restructuring initiative announced during 2015; charge is shared with the voluntary retirement program and not separately quantified. Employee count not disclosed.
2015-12-31voluntary_separationcompleted2015-01-012015-12-31United StatesAllUSD 51 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Voluntary retirement program for eligible U.S. employees. Charge recognized in salaries and related costs.
2015-12-31restructuringcompleted2015-01-012015-12-31United StatesMeritrestructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Involuntary merit restructuring initiative. Included in the $51 million charge in salaries and related costs.
2015-12-31restructuringcompleted2015-01-012015-12-31United StatesFleetUSD 35 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Fleet restructuring including remaining lease payments and lease return costs for permanently grounded aircraft.
2015-12-31restructuringin_progressEmployee Severance [Member]USD 51,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2015-12-31restructuringin_progressLease Agreements [Member]USD 41,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2015-09-30voluntary_separationannounced2015-092015-12-31United StatesEligible U.S. employeesrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary retirement program for eligible U.S. employees announced in September 2015; no employee count disclosed. Charge to be recorded when voluntary severance commitments are finalized during the December 2015 quarter.
2015-09-30voluntary_separationannounced2015-09-302015-12-31United StatesAll eligible U.S. employeesrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Announced voluntary retirement program for eligible U.S. employees. Charge to be recorded when commitments are finalized in December 2015.
2015-09-30restructuringin_progressEmployee Severance [Member]USD 8,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2015-09-30restructuringin_progressLease Agreements [Member]USD 36,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2015-06-30restructuringin_progressUnited StatesDomestic regional fleet / mainline fleetUSD 35 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Fleet restructuring initiative replacing 50-seat regional aircraft with CRJ-900 and B-717-200 and older B-757-200 with B-737-900ER; charges of $25M in Q2 and $35M YTD, mainly remaining lease payments and return costs for grounded aircraft. Thirteen 50-seat regional aircraft removed in Q2 and thirty over the six months; no employee count disclosed. Severance and related costs liability fell from $42M at Jan 1, 2015 to $16M at Jun 30, 2015 with no additional severance costs recorded in the period.
2015-06-30restructuringin_progressFleetUSD 25 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges associated with fleet restructuring initiative, including remaining lease payments and lease return costs for permanently grounded aircraft.
2015-06-30restructuringin_progressEmployee Severance [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2015-06-30restructuringin_progressLease Agreements [Member]USD 36,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2015-03-31restructuringin_progressUnited StatesDomestic regional and mainline fleet operationsUSD 10 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Fleet restructuring initiative: charge covers remaining lease payments and return costs for permanently grounded aircraft; no employee count disclosed. Seventeen 50-seat regional aircraft removed from fleet during the quarter per MD&A.
2015-03-31othercompleted2019-02-28United StatesRefinery (Monroe)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New collective bargaining agreement reached during the March 2015 quarter with the union representing refinery employees; agreement expires February 28, 2019. No employee count disclosed.
2015-03-31restructuringin_progressUSD 10 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Recorded $10 million charge associated with fleet restructuring initiative, including remaining lease payments and lease return costs for permanently grounded aircraft.
2015-03-31othercompleted2019-02-28Refineryother
f5-10q / Qwen3.6-27B-Q8_0		Reached new collective bargaining agreement with union representing refinery employees; agreement expires February 28, 2019.
2015-03-31restructuringin_progressEmployee Severance [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2015-03-31restructuringin_progressLease Agreements [Member]USD 10,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-12-31voluntary_separationin_progress2014-06-30United StatesAirline segment — eligible U.S. employeesUSD 71 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Voluntary retirement program announced in the June 2014 quarter for eligible U.S. employees; the $71 million charge also covers other programs related to the Pacific strategy. Number of participating employees not disclosed.
2014-12-31restructuringin_progress2014-09-30United States and internationalAirline segment — fleet restructuring (B-747-400 retirement, 50-seat regional fleet retirement, B-757-200 replacement)USD 758 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2014 charge for fleet, facilities and other restructuring, including impairment and lease costs for retiring 16 B-747-400 aircraft over three years and the 50-seat regional fleet. Headcount impact not quantified; Delta estimates future 50-seat fleet charges of $50 million to $150 million.
2014-12-31voluntary_separationcompleted2014-06-01United StatesAllUSD 71 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Voluntary retirement program for eligible U.S. employees announced in June 2014. Charge includes other programs related to Pacific strategy.
2014-12-31restructuringin_progress2014-09-012017-12-31GlobalFlight OperationsUSD 758 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Fleet restructuring including early retirement of B-747-400 aircraft and replacement of regional flying. Charge includes impairments, lease payments, and accelerated depreciation. Employee count not explicitly disclosed for this specific fleet action.
2014-12-31restructuringin_progressEmployee Severance [Member]USD 71,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2014-12-31restructuringin_progressLease Agreements [Member]USD 349,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2014-09-30voluntary_separationcompleted2014-06United StatesEligible U.S. employees; also includes programs related to Pacific network restructuringUSD 63 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary retirement program announced June 2014; commitments finalized during the September 2014 quarter with a $63 million severance charge that also covers other Pacific network restructuring programs. Number of participating employees not disclosed.
2014-09-30restructuringin_progress2014-07-012018-09-30International (Pacific network)Mainline fleet — B-747-400 aircraft retirementUSD 574 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Decision during the quarter to retire the 16-aircraft B-747-400 fleet over four years, with impairment on owned/capital-leased aircraft and lease restructuring on three operating-lease aircraft retired in the quarter. The $574 million Q3 'Fleet and other' charge primarily relates to this retirement and also includes CRJ lease restructuring charges; no employee count disclosed. Expected completion approximated from the disclosed four-year retirement window.
2014-09-30restructuringin_progress2014-07-01United StatesDomestic regional fleet — 50-seat CRJ aircraft reductionMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ongoing initiative to reduce 50-seat regional aircraft; thirteen 50-seat regional aircraft removed in the September 2014 quarter (twenty-six during the nine months) with associated lease restructuring charges. Future charges estimated by management at $50 million to $150 million. No employee count disclosed.
2014-09-30voluntary_separationin_progress2014-06-01United StatesUSD 63 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary retirement program for eligible U.S. employees announced in June 2014. Commitments finalized in September 2014 quarter. Charge includes other programs related to Pacific network restructuring.
2014-09-30restructuringin_progress2014-09-302018-09-30FleetUSD 574 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Retirement of B-747-400 aircraft fleet (16 aircraft) over next four years. Includes impairment charge for owned/capital leased aircraft and lease restructuring charge for three operating leased aircraft. Also includes lease restructuring for CRJ aircraft.
2014-09-30restructuringin_progressLease Agreements [Member]USD 272,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-09-30restructuringin_progressEmployee Severance [Member]USD 63,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-06-30voluntary_separationannounced2014-06-30United StatesEligible U.S. employeesrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary retirement program announced in June 2014 for eligible U.S. employees; no participant count disclosed. Filer states a charge will be recorded once voluntary severance commitments are finalized in the September 2014 quarter.
2014-06-30restructuringin_progressUnited StatesDomestic fleet / 50-seat regional operationsUSD 30 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Fleet restructuring initiative: $30M restructuring charge recorded in the June 2014 quarter; lease restructuring liability of $213M at June 30, 2014. Filer estimates future charges of $120M to $220M. No employee count disclosed; program centers on retiring older aircraft, including leased 50-seat regional aircraft.
2014-06-30restructuringin_progressUSD 30 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Fleet restructuring initiative focused on removing older aircraft. Charges include remaining lease payments for grounded aircraft, acceleration of depreciation, and lease return costs. Future charges estimated between $120 million and $220 million.
2014-06-30voluntary_separationannounced2014-06-302014-09-30United Statesrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary retirement program announced for eligible U.S. employees. Charge to be recorded when commitments are finalized in the September 2014 quarter.
2014-06-30restructuringin_progressUSD 66,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-03-31restructuringin_progressUnited StatesAirline — fleet operationsUSD 49 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Fleet restructuring initiative retiring older, less efficient aircraft; charges cover remaining lease payments on grounded aircraft, accelerated depreciation and lease return costs. No employee count disclosed. MD&A estimates future charges of $150M–$250M over the next two years in addition to the $49M recorded in the quarter; lease restructuring liability was $198M at 2014-03-31.
2014-03-31restructuringin_progressDomesticFleetUSD 49 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Fleet restructuring focused on lowering unit costs. $49 million recorded during Q1 2014. Future charges estimated between $150 million and $250 million.
2014-03-31restructuringin_progressUSD 39,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-12-31acquisition_additioncompleted2013-05-012013-05-01United StatesRegional airline operations (Delta Connection)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Delta became sole owner of Endeavor (formerly Pinnacle Airlines) on May 1, 2013 via confirmed plan of reorganization; consideration totaled $30 million, primarily prior loans and advances. Total Endeavor headcount added is not disclosed; only union-represented groups (2,870 across pilots, flight attendants and dispatchers) are itemized. Endeavor's 169 aircraft were already in service to Delta, so capacity was unaffected.
2013-12-31restructuringin_progressUnited StatesFleet restructuring — retirement of 50-seat regional aircraft and older B-757-200 aircraftUSD 402 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2013 activity only within a multi-year program that began in 2012; $402 million of facilities, fleet and other charges recorded in 2013 (severance and related costs line was $0 in 2013). Of the 2013 charges, $107 million related specifically to the 50-seat fleet reduction; management estimated $200-300 million of additional future charges. Employees affected not disclosed; program targets reducing the 50-seat fleet to 100-125 aircraft within two years.
2013-12-31voluntary_separationcompleted2,0002012-06-302012-12-31United StatesVariousUSD 116 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Voluntary severance programs in which more than 2,000 employees elected to participate. Participants became eligible for retiree healthcare benefits. Charge recorded in 2012 but disclosed in 2013 10-K context. Note 16 states 'During 2012, we recognized a severance charge of $237 million, which included $116 million of special termination benefits'.
2013-12-31plant_closurecompleted1,7002012-09-292012-09-29United StatesRegional Carrier (Comair)USD 66 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Shut down operations of Comair, a wholly-owned regional airline subsidiary. Accrued $66 million in severance and related costs for Comair's 1,700 employees.
2013-12-31acquisition_additioncompleted2013-05-012013-05-01United StatesRegional Carrier (Endeavor Air)business_combinations_footnote
f5-10k / Qwen3.6-27B-Q8_0		Became sole owner of Endeavor Air, Inc. on May 1, 2013. Headcount not explicitly quantified in acquisition footnote, but union tables list ~3,870 Endeavor employees.
2013-12-31restructuringin_progressFacility Closing [Member]USD 114,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2013-12-31restructuringin_progressEmployee Severance [Member]USD 0 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2013-09-30acquisition_additioncompleted2013-05-012013-05-01United StatesRegional carrier operations (Endeavor Air)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta became sole owner of Endeavor Air (formerly Pinnacle Airlines) via confirmed bankruptcy plan; consideration $30 million. No employee headcount added is disclosed; Endeavor operated 176 aircraft already in service to Delta, so capacity was unaffected.
2013-09-30restructuringin_progressUnited StatesDomestic fleet / mainline operationsUSD 242 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Domestic fleet restructuring retiring older, less efficient aircraft; $242 million charged in nine months ended September 30, 2013, of which $106 million in the September 2013 quarter. Charges cover remaining lease payments on grounded aircraft, accelerated depreciation and lease return costs. No employee headcount affected is disclosed. Part of a $1 billion structural cost initiatives program begun in 2012; further material lease termination and other charges expected as aircraft are permanently removed.
2013-09-30otherin_progressUnited StatesRegional carrier fleet (50-seat aircraft)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Agreements with SkyWest, Bombardier and the Endeavor acquisition create a path to eliminate more than 200 50-seat aircraft, replaced by CRJ-900, B-717-200 and B-737-900ER aircraft. Aircraft counts only; no associated employee reduction quantified.
2013-09-30restructuringin_progressUSD 106 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges primarily related to domestic fleet restructuring, including remaining lease payments for grounded aircraft, acceleration of aircraft depreciation, and lease return costs.
2013-09-30acquisition_additioncompleted2013-05-01Regional carriersbusiness_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Became sole owner of Endeavor Air, Inc. on May 1, 2013. Headcount not explicitly disclosed.
2013-09-30restructuringin_progressFacilities and Fleet [Member]USD 7,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-09-30restructuringin_progressEmployee Severance [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-06-30acquisition_additioncompleted2013-05-01United StatesRegional carrier operations (Delta Connection)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta became sole owner of Pinnacle Airlines on May 1, 2013 via confirmed bankruptcy reorganization plan; consideration $30 million, primarily prior loans and advances. Employees added not disclosed. Acquired 16 CRJ-900 aircraft (fair value $270M) with $240M related debt; 181 Pinnacle aircraft were already in service to Delta, so capacity unaffected.
2013-06-30restructuringin_progress2012United StatesDomestic fleet / operationsUSD 136 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Domestic fleet restructuring under a $1 billion structural cost program initiated in 2012; $136M charged in the six months ended June 30, 2013 (facilities, fleet and other), covering grounded-aircraft lease payments, accelerated depreciation and lease return costs. No employee affected count disclosed; severance and related costs were $0 in the period (severance balance fell from $49M to $0 via $46M of payments). Filer expects material lease termination and other charges to continue as aircraft retire.
2013-06-30restructuringin_progressDomestic fleetUSD 34 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges primarily related to domestic fleet restructuring initiative, including remaining lease payments for grounded aircraft, acceleration of aircraft depreciation, and lease return costs. No specific employee count disclosed for this quarter's charges.
2013-06-30acquisition_additioncompleted2013-05-01Regional carriersbusiness_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Became sole owner of Pinnacle Airlines, Inc. on May 1, 2013. Specific headcount added not disclosed.
2013-06-30restructuringin_progressFacilities and Fleet [Member]USD 6,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-06-30restructuringin_progressEmployee Severance [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-03-31restructuringin_progressUnited StatesMainline airline operations — domestic fleetUSD 102 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Domestic fleet restructuring initiative: retiring older, less efficient aircraft; charges cover lease payments for grounded aircraft, accelerated depreciation and lease return costs. No employee count disclosed; severance and related costs balance was $13M at March 31, 2013 (down from $49M at December 31, 2012 after $36M of payments).
2013-03-31restructuringin_progressDomestic fleetUSD 102 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges primarily related to domestic fleet restructuring initiative, including remaining lease payments for grounded aircraft, acceleration of aircraft depreciation, and lease return costs. No specific employee count disclosed.
2013-03-31restructuringin_progressFacility Closing [Member]USD 6,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-03-31restructuringin_progressEmployee Severance [Member]USD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2012-12-31plant_closurecompleted1,7002012-09-292012-12-31United StatesRegional air carrier subsidiary (Comair)USD 66 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Comair operations ceased 2012-09-29 as part of the domestic fleet restructuring initiative; Comair merged into Delta in December 2012. Severance accrual of $66M for Comair's 1,700 employees is a component of the $237M total 2012 severance charge.
2012-12-31voluntary_separationcompleted2,000United StatesEnterprise-widerestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Filer states more than 2,000 employees elected to participate in voluntary severance programs and became eligible for retiree healthcare benefits. Total 2012 severance charge was $237M, including $116M of special termination benefits that also relate to Northwest merger wage/benefit integration, so the charge is not allocated to this program.
2012-12-31othercompleted10,7002012-07-01United StatesPilotsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		ALPA collective bargaining agreement modification ratified June 2012, effective 2012-07-01; becomes amendable 2015-12-31. Includes base pay increases, profit-sharing changes, and productivity gains supporting domestic fleet restructuring.
2012-12-31voluntary_separationcompleted2,0002012-01-012012-12-31United StatesCorporate / GeneralUSD 116 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Voluntary severance programs in which more than 2,000 employees elected to participate. Participants became eligible for retiree healthcare benefits. Charge includes $116 million of special termination benefits.
2012-12-31plant_closurecompleted1,7002012-01-012012-09-29United StatesRegional CarriersUSD 66 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Shut down operations of Comair, a wholly-owned regional airline subsidiary, as of September 29, 2012. Accrued $66 million in severance and related costs for Comair's 1,700 employees.
2012-12-31restructuringin_progressFacility Closing [Member]USD 45,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2012-12-31restructuringin_progressEmployee Severance [Member]USD 126,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2012-09-30plant_closurecompleted1,7002012-07-272012-09-29United StatesComair (regional carrier subsidiary)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Decision announced July 27, 2012 to cease Comair operations as of September 29, 2012 amid regional fleet reduction. Q3 severance charge of $66M covers Comair severance plus a voluntary severance program combined; Q3 facilities/fleet charge of $122M relates to grounded aircraft leases, lease return acceleration and asset disposals. Charge not allocated to this action.
2012-09-30voluntary_separationcompleted2,0002012-09-30United StatesEnterprise-wideUSD 237 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		More than 2,000 employees elected to participate in voluntary severance programs offered during the nine months ended September 30, 2012; participants became eligible for retiree healthcare benefits. The $237M nine-month severance and related costs charge also includes Comair-related severance and $110M of special termination benefits (Note 8).
2012-09-30othercompleted10,7002012-06-302012-07-01United StatesMainline pilots (ALPA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Agreement with ALPA modifying the collective bargaining agreement covering approximately 10,700 Delta pilots was ratified in June 2012 and took effect July 1, 2012; amendable December 31, 2015. Provides pay and benefit increases, profit-sharing changes, and productivity gains supporting domestic fleet restructuring.
2012-09-30restructuringcompleted1,7002012-07-272012-09-29United StatesRegional carriers (Comair)USD 66 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Ceasing operations of Comair, a wholly-owned regional airline subsidiary. Accrued $66 million in severance and related costs in the September 2012 quarter for Comair's 1,700 employees.
2012-09-30voluntary_separationcompleted2,000USD 237 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary severance programs offered during the nine months ended September 30, 2012, in which more than 2,000 employees elected to participate. Total charge of $237 million recognized for the nine months ended September 30, 2012.
2012-09-30restructuringin_progressFacility Closing [Member]USD 44,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2012-09-30restructuringin_progressEmployee Severance [Member]USD 126,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2012-06-30voluntary_separationin_progress2,0002012-03-31United StatesNon-pilot employeesUSD 171 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary workforce reduction programs announced during the March 2012 quarter (exact announcement date not disclosed); approximately 2,000 employees enrolled in the June 2012 quarter and became eligible for retiree healthcare benefits. Charge of $171M for severance and related retiree healthcare costs, including $104M of special termination benefits recorded in other postretirement benefits.
2012-06-30othercompleted10,7002012-06-302012-07-01United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Agreement with ALPA modifying the collective bargaining agreement covering approximately 10,700 Delta pilots; ratified by pilots in June 2012 and took effect July 1, 2012, amendable December 31, 2015. Includes base pay increases, profit sharing changes, and productivity gains supporting domestic fleet restructuring. Announcement date recorded as quarter-end because only the quarter of the agreement is disclosed.
2012-06-30voluntary_separationin_progress2,0002012-03-31United StatesNon-pilot employeesUSD 171 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary workforce reduction programs announced in March 2012 quarter. Approximately 2,000 employees enrolled in June 2012 quarter. Charge includes severance and related retiree healthcare costs.
2012-06-30restructuringin_progressFacility Closing [Member]USD 3,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2012-06-30restructuringin_progressEmployee Severance [Member]USD 67,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2012-03-31voluntary_separationin_progress2012-06-30United StatesNon-pilot employees (primarily U.S.)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary workforce reduction programs announced during the March 2012 quarter; exact announcement date and number of participating employees not disclosed. No charge recorded in Q1 2012; severance and related retiree healthcare charge expected in the June 2012 quarter when enrollment ends. Participants become eligible for retiree healthcare benefits they would otherwise not receive.
2012-03-31voluntary_separationannounced2012-03-312012-06-30United StatesNon-pilot employeesrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary workforce reduction programs for eligible U.S. non-pilot employees. Enrollment ends in June 2012 quarter. No charges recorded in Q1; charge expected in Q2.
2011-12-31voluntary_separationin_progressCompany-wideUSD 100 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2011 activity: charges from voluntary workforce reduction programs intended to align staffing with planned capacity reductions. $74M paid during 2011, leaving a $46M liability at year-end. Management states no additional material charges are expected from these severance initiatives. Employee counts and announcement dates not disclosed.
2011-12-31restructuringin_progressCompany-wide — facilities and fleetUSD 135 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2011 facilities and fleet charges covering facilities consolidation and fleet assessments. Employee counts, closure sites and timing not disclosed. Excludes the separate $50M Moscow routes/slots intangible impairment and the $43M gain on slot divestiture recorded in the same caption.
2011-12-31voluntary_separationcompleted2011-01-012011-12-31GlobalVariousUSD 100 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Charges associated primarily with voluntary workforce reduction programs to align staffing with expected future capacity. No specific employee count disclosed.
2011-12-31restructuringcompleted2011-01-012011-12-31GlobalFacilities and FleetUSD 135 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Charges related to facilities consolidation and fleet assessments. No specific employee count disclosed.
2011-09-30voluntary_separationin_progress2,000United StatesEnterprise-wideUSD 83 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary workforce reduction programs offered during the nine months ended September 30, 2011 to align staffing with expected future capacity; approximately 2,000 employees elected to participate. Severance charge of $83M recorded year-to-date; restructuring liability for severance and related costs was $89M at September 30, 2011. Headcount figure sourced from MD&A narrative.
2011-09-30restructuringin_progressAtlanta, Minneapolis, Cincinnati and MemphisFacilities and fleetUSD 71 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Charges related to facilities consolidation and fleet assessments recorded during the nine months ended September 30, 2011; no employee count disclosed for this component. Facilities and other restructuring liability of $67M at September 30, 2011.
2011-09-30otherannouncedUnited StatesMainline and regional fleet / capacityMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta announced a package of actions including reducing December 2011 quarter system capacity 4-5% year-over-year, retiring less efficient aircraft (DC9-50, regional turboprop and 50-seat regional jet fleets), and consolidating facilities in Atlanta, Minneapolis, Cincinnati and Memphis. No employee counts or dates disclosed for these specific actions.
2011-09-30voluntary_separationin_progress2,000USD 83 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Approximately 2,000 employees elected to participate in voluntary workforce reduction programs to align staffing with expected future capacity. Note 8 reports $83 million in severance charges for the nine months ended Sept 30, 2011.
2011-06-30voluntary_separationin_progress2,000United StatesSystem-wideUSD 80 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary workforce reduction programs offered during the June 2011 quarter to align staffing with expected future capacity; approximately 2,000 employees elected to participate. Severance liability of $88 million remained at June 30, 2011 after $12 million of payments; no specific announcement or completion date disclosed.
2011-06-30restructuringin_progressAtlanta, Minneapolis, Cincinnati and MemphisFacilities and fleetUSD 64 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Charges recorded in the June 2011 quarter related to facilities consolidation and fleet assessments; MD&A lists consolidation of facilities in Atlanta, Minneapolis, Cincinnati and Memphis as a cost-mitigation action. No employee count disclosed for this component. Facilities and Other restructuring liability of $74 million at June 30, 2011.
2011-06-30voluntary_separationcompleted2,0002011-06-30USD 80 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary workforce reduction programs offered to align staffing with expected future capacity. Approximately 2,000 employees elected to participate. Charges primarily represent severance costs.
2011-03-31otherin_progressUnited StatesFlight attendants; fleet service, stores and passenger service employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board held representation elections during 2010 for certain employee groups; the groups rejected union representation and the unions filed claims alleging election interference. Delta is challenging the claims; resolution timing and affected-employee counts are not disclosed.
2011-03-31restructuringin_progressUSD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges for DC9-50 aircraft retirement.
2011-03-31restructuringin_progressUSD 12 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Payments made during the quarter for severance and related costs and facilities and other.
2010-12-31divestiture_reductioncompleted2010-07-012010-07-01United StatesRegional carriers — Compass Airlines, Inc. and Mesaba Aviation, Inc.restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Wholly-owned subsidiaries sold to Trans States Airlines and Pinnacle Airlines; new or amended long-term capacity purchase agreements entered at closing. Filer states the sales did not have a material impact and does not disclose associated headcount.
2010-12-31restructuringin_progressUnited StatesEnterprise-wide, including Comair regional operations and Cincinnati/Northern Kentucky International Airport operationsUSD 450 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Fiscal year 2010 charges: $233M merger-related items, $182M asset impairment (including a $146M charge in September 2010 for the Comair fleet reduction initiative retiring CRJ-100/200 50-seat aircraft over the two years ending December 31, 2012, plus a retired B-747-200 impairment), $20M facilities and other, $15M severance and related costs. Employees affected not disclosed; restructuring liability balance was $105M at year-end.
2010-12-31othercompleted2010-07-012010-12-31United StatesFlight attendants, fleet service, stores and passenger service workgroups; simulator techniciansItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Post-merger National Mediation Board representation elections held in 2010 after new majority-of-votes-cast rules took effect July 1, 2010. Workgroup sizes before election (as of June 30, 2010): flight attendants 20,100 (AFA), fleet service 14,100 (IAM), stores 700 (IAM), passenger service 16,400 (IAM); 91 simulator technicians rejected IAM in September 2010. All groups rejected union representation; unions filed interference claims that remain unresolved. No headcount change resulted.
2010-12-31restructuringcompleted2010-01-012010-12-31United StatesVariousUSD 15 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Severance and related costs primarily relate to wholly-owned subsidiaries, including charges associated with the Comair fleet reduction initiative and consolidation of operations at Cincinnati/Northern Kentucky International Airport.
2010-12-31restructuringcompleted2010-01-012010-12-31United StatesVariousUSD 20 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Facilities and other charges.
2010-12-31restructuringcompleted2010-01-012010-12-31United StatesVariousUSD 233 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Merger-related items associated with Northwest and integration of Northwest operations into Delta, including IT, employee relocation, training, and re-branding.
2010-12-31restructuringcompleted2010-01-012010-12-31United StatesRegional OperationsUSD 146 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Asset impairment charge related to decision to substantially reduce Comair's fleet by retiring older, less-efficient CRJ-100/200 50-seat aircraft.
2010-09-30restructuringin_progress2010-092012-09-30United States (Comair operations, Cincinnati/Northern Kentucky hub)Comair regional subsidiary — fleet reduction and operations consolidationUSD 146 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair fleet reduction: retiring CRJ-100/200 50-seat aircraft over two years, with voluntary and involuntary workforce reductions; $146M charge is asset impairment (fair value $97M, Level 3). Related Q3 severance of $7M (YTD $15M) also covers the Cincinnati/Northern Kentucky consolidation announced in Q1 2010; employee counts not disclosed.
2010-09-30divestiture_reductioncompleted2010-072010-07United StatesCompass Airlines and Mesaba Aviation (regional subsidiaries)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sold Compass to Trans States and Mesaba to Pinnacle in July 2010; sales did not have a material impact on the financial statements. Headcount removed not disclosed; post-sale expenses reclassified to contract carrier arrangements.
2010-09-30otherin_progress2010-09-292010-12-07United StatesFlight Attendants (AFA), Fleet Service (IAM), Stores (IAM), Passenger Service (IAM)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board representation elections covering four employee groups (approx. 20,100; 14,100; 700; and 16,400 employees as of June 30, 2010) to resolve post-merger union representation; election periods run Sept 29 through Dec 7, 2010.
2010-09-30othercompleted912010-092010-09United StatesSimulator techniciansother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In an election ending September 2010, Delta's 91 simulator technicians rejected representation by the IAM.
2010-09-30restructuringin_progress2010-09-302012-09-30ComairUSD 153 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Comair fleet reduction initiative to retire older CRJ-100/200 aircraft over next two years, reducing staffing through voluntary and involuntary reductions. Charge includes $146M asset impairment and $7M severance.
2010-09-30restructuringin_progress2010-03-31Cincinnati/Northern Kentucky International AirportOperationsUSD 15 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Consolidation of operations at Cincinnati/Northern Kentucky International Airport during March 2010 quarter.
2010-06-30restructuringin_progressUnited StatesWholly-owned subsidiaries (regional operations)USD 8 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance charge recorded in the six months ended June 30, 2010, primarily for consolidating operations at Cincinnati/Northern Kentucky International Airport; affected-employee count not disclosed. Severance and related costs liability was $40M at 2010-06-30 after $37M of payments.
2010-06-30divestiture_reductionannounced2010-07-01United StatesContract carriers — Compass Airlines and Mesaba Aviationsubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		July 2010 sale of Compass and Mesaba to Trans States Airlines and Pinnacle Airlines, with new or amended long-term capacity purchase agreements entered at closing; filer states no material impact expected. Headcount not disclosed.
2010-06-30otherannounced2010-07-01United StatesFlight attendants; fleet service, passenger service, airport customer service, cargo and reservations employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In July 2010 the Association of Flight Attendants-CWA and the International Association of Machinists and Aerospace Workers filed applications with the National Mediation Board to resolve representation for the cited employee groups; no employee counts given.
2010-06-30otherin_progress2010-08-31United StatesContract carrier — Freedom Airlines (ERJ-145 operations)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Following a May 2010 district court ruling upholding termination of the Freedom Airlines capacity purchase agreement, Delta, Mesa and Freedom agreed Freedom would continue operating until 2010-08-31 for an orderly wind-down of ERJ-145 flights; these are contract-carrier employees, not Delta headcount.
2010-06-30restructuringin_progressUnited StatesWholly-owned subsidiariesUSD 8 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance charge for wholly-owned subsidiaries primarily associated with consolidation of operations at Cincinnati/Northern Kentucky International Airport.
2010-06-30voluntary_separationin_progressUnited StatesGeneralMD&A
f5-10q / Qwen3.6-27B-Q8_0		Salaries decreased due to 2% average decrease in staffing primarily related to voluntary workforce reduction programs.
2010-03-31restructuringin_progressUnited States — Cincinnati/Northern Kentucky International AirportWholly-owned subsidiary (regional carrier operations)USD 8 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance and related costs charge recorded in the March 2010 quarter for a wholly-owned subsidiary, primarily tied to consolidating operations at the Cincinnati/Northern Kentucky airport. Number of employees affected and completion timing are not disclosed. Related restructuring liability for severance and related costs moved from $69M at Dec 31, 2009 to $64M at Mar 31, 2010 (additional costs $8M, payments $13M).
2010-03-31restructuringin_progressUnited StatesMerger integration (Northwest into Delta)USD 46 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger-related integration costs recorded in the quarter, covering information technology, employee relocation and training, and re-branding of aircraft and stations. No headcount reduction count is disclosed; charge is not exclusively workforce-related.
2010-03-31voluntary_separationin_progressUnited StatesConsolidation of operations at Cincinnati/Northern Kentucky International AirportUSD 8 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance charge for one wholly-owned subsidiary primarily associated with consolidation of operations.
2009-12-31acquisition_additioncompleted2008-04-142009-12-31United StatesAirline operationsbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Merger with Northwest Airlines Corporation closed October 29, 2008; Northwest Airlines, Inc. merged into Delta on December 31, 2009. Headcount added through the acquisition not separately quantified; 2009 total FTE of 81,106 reflects full-year combined operations.
2009-12-31voluntary_separationcompleted2009-12-31United StatesWorkforce reduction programsUSD 119 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2009 charge for voluntary workforce reduction programs for U.S. employees, including $6 million of special termination benefits related to retiree healthcare. Number of employees affected not disclosed; company expects any additional charges under these programs will not be material.
2009-12-31restructuringcompleted2009-12-31United StatesNorthwest integrationUSD 275 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2009 merger-related items covering information technology integration, employee relocation and training, and re-branding of aircraft and stations. Total restructuring and merger-related items for 2009 were $407 million. Employee headcount impact not separately quantified.
2009-12-31othercompleted2009-12-31United StatesFleet and capacity right-sizingItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Removed 18 mainline passenger aircraft and retired entire B-747-200F freighter fleet during 2009; planned removal of over 30 regional jets from mid-2009 through early 2011. Staffing reduced primarily through voluntary reduction programs and normal attrition; total workforce 4% lower than combined Delta/NWA workforce at December 31, 2008.
2009-12-31voluntary_separationcompleted2009United StatesAllUSD 119 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Recorded $119 million charge in connection with employee workforce reduction programs. Specific headcount not disclosed for 2009 actions, though total workforce was 4% lower than combined Dec 2008 workforce.
2009-12-31restructuringin_progress2008-10-292012GlobalAllUSD 288 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Merger-related items associated with integrating Northwest into Delta, including IT, relocation, training, and re-branding. Total expected cash costs approx $500 million over three years.
2009-09-30restructuringin_progressUnited StatesU.S. employees (workforce reduction programs)USD 101 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance charge of $101M for the nine months ended 2009-09-30, including $51M in the September 2009 quarter; includes $6M of special termination benefits related to retiree healthcare. No employee count or completion date disclosed; filer expects any additional charges to be immaterial. Severance liability balance was $76M at 2009-09-30.
2009-09-30restructuringin_progressUnited StatesMerger integration (Northwest into Delta)USD 185 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger-related charges of $185M for the nine months ended 2009-09-30, including $78M in the September 2009 quarter, covering IT integration, employee relocation and training, and re-branding. Filer expects total cash costs of approximately $500M over about three years. No headcount reduction count disclosed.
2009-09-30restructuringin_progressUnited StatesGeneralUSD 51 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Workforce reduction programs for U.S. employees recorded in Q3 2009.
2009-09-30restructuringin_progressUnited StatesGeneralUSD 101 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Workforce reduction programs for U.S. employees recorded YTD 2009, including $6M special termination benefits for retiree healthcare.
2009-06-30voluntary_separationin_progress2,5002008-12United StatesU.S. non-pilot employeesUSD 50 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary workforce reduction program announced December 2008; approximately 2,500 employees elected to participate. A $50 million charge was recorded in the six months ended June 30, 2009, including $6 million of special termination benefits for retiree healthcare. Company expects any additional charges from these programs to be immaterial. A related March 2008 program (approximately 4,200 participants) was announced in a prior period and is not counted here.
2009-06-30restructuringin_progress2008-10-292010-06-30United States / globalEnterprise — Northwest integrationUSD 107 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger-related integration costs for the six months ended June 30, 2009 covering IT, employee relocation and training, and re-branding; $58 million of the charge fell in the June 2009 quarter. Total cash integration costs estimated at approximately $500 million over about three years. No employee count disclosed for this action.
2009-06-30otherannounced2009-06-302009-12-31United StatesCargo — B-747-200F freighter fleetMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Decision to ground and retire the entire B-747-200F freighter fleet by December 31, 2009 due to age and inefficiency; four aircraft grounded during the six months ended June 30, 2009. No impairment identified and no associated headcount figure disclosed.
2009-06-30voluntary_separationin_progress4,2002008-03-01United StatesNon-pilot employeesUSD 96 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary workforce reduction program announced in March 2008. $96 million recorded in Q2 2008.
2009-06-30voluntary_separationin_progress2,5002008-12-01United StatesNon-pilot employeesUSD 50 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary workforce reduction program announced in December 2008. $50 million recorded in YTD 2009.
2009-03-31acquisition_additioncompleted32,9362008-10-29United StatesNorthwest Airlines (whole company)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger closed 2008-10-29; count is Northwest FTE at 2009-03-31 per Operating Statistics, not a closing-date figure
2009-03-31voluntary_separationin_progress2,5002008-12United StatesU.S. non-pilot employeesUSD 50 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary workforce reduction program; $50M charge in Q1 2009 includes $6M special termination benefits; charge covers approx. 1,800 of the 2,500 participants
2009-03-31voluntary_separationcompleted4,2002008-03United StatesU.S. non-pilot employeesrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Earlier voluntary workforce reduction program; participants elected to participate, charges largely recognized in prior periods
2009-03-31restructuringin_progress7002008-10-29United StatesCombined Delta/Northwest operationsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance liabilities valued at Merger contemplated elimination of 700 positions; filer expects any additional charges to be immaterial
2009-03-31voluntary_separationin_progress1,8002008-12-01United StatesNon-pilot employeesUSD 50 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge recorded in Q1 2009 for December 2008 voluntary workforce reduction program. Includes 1,800 of 2,500 total program participants. Charge includes $6M special termination benefits for retiree healthcare.
2009-03-31restructuringin_progress2008-10-29IntegrationUSD 49 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Merger-related items for integrating Northwest operations, including IT, relocation, training, and re-branding. No specific headcount reduction disclosed for this charge.
2008-12-31voluntary_separationcompleted4,2008%2008-03-012008-12-31United StatesNon-pilot employeesUSD 114 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Two voluntary workforce reduction programs announced March 2008 for U.S. non-pilot employees; approximately 4,200 employees (8% of pre-merger workforce) elected to participate. Severance charge of $114 million.
2008-12-31acquisition_additioncompleted2008-10-292008-10-29GlobalAll functionsbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Merger with Northwest Airlines Corporation closed October 29, 2008. Northwest employees consolidated from October 30, 2008. Total FTE employees rose from 55,044 at end of 2007 to 84,306 at end of 2008. Specific acquisition headcount not separately disclosed.
2008-12-31voluntary_separationannounced2,1002008-12-012009-03-31United StatesNon-pilot employeesrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Additional voluntary workforce reduction programs announced December 2008 for U.S. non-pilot employees to align with planned 6-8% capacity reductions. Approximately 2,100 employees elected to participate during January-February 2009 election period. Expected $40-50 million restructuring charge in Q1 2009. No charge recorded at December 31, 2008.
2008-12-31otherannounced2008-12-31United StatesAllItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Delta announced plans to reduce consolidated capacity by 6-8% in 2009 (domestic 8-10%, international 3-5%) in response to global recession. Additional capacity reductions may follow if economic conditions worsen. No specific headcount reduction quantified for this action.
2008-12-31voluntary_separationcompleted4,2008%2008-03United StatesNon-pilot employeesUSD 114 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Two voluntary workforce reduction programs announced in March 2008. 8% of pre-Merger workforce.
2008-12-31acquisition_additioncompleted2008-10-29GlobalAll functionsItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Merger with Northwest Airlines completed Oct 29, 2008. Total FTEs increased from 55,044 (Dec 2007) to 84,306 (Dec 2008). Specific headcount added not isolated.
2008-12-31voluntary_separationannounced2,1002008-122009-02United StatesNon-pilot employeesUSD 45 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Announced Dec 2008. Election period Jan-Feb 2009. Expected charge $40-50 million in Q1 2009.
2008-09-30voluntary_separationin_progress4,2002008-03-01United StatesU.S. non-pilot employeesUSD 114 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Two voluntary workforce reduction programs announced March 2008 targeting roughly 2,000 positions; approximately 4,200 employees elected to participate. Charge shown is nine months ended 2008-09-30; $67M paid, $47M liability remaining at quarter end. Filer expects further charges to be immaterial. Announcement date stated only as month.
2008-09-30restructuringcompleted2008-09-012008-09-30United StatesContract carrier arrangements (regional affiliates)USD 14 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Charge for early termination of certain capacity purchase agreements, including ExpressJet (terminated by mutual agreement 2008-09-01) and accelerated removal of eleven ERJ-135 aircraft from Chautauqua effective 2008-09-30. Affects contract-carrier workforces, not Delta employees; liability fully paid during the nine months.
2008-09-30plant_closureannounced2008-08-012009-01-01United States (Cincinnati-Northern Kentucky International Airport)Airport operations — Concourse Cother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Closure of Concourse C operations announced August 2008 with relocation to Concourses A and B effective January 2009; no liability accrued under SFAS 146 as of quarter end and cost not yet estimable. Announcement date stated only as month.
2008-09-30restructuringin_progress2008-01-01United StatesFacilitiesUSD 7 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Nine-month charge primarily for future lease payments on closed facilities and contract termination fees; $9M liability remaining at 2008-09-30. No employee count disclosed.
2008-09-30otherannounced2008-04-142008-12-31United StatesCombined company (Delta / Northwest)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pending merger with Northwest Airlines; stockholders approved share issuance 2008-09-25. Closing expected by end of 2008 and will trigger equity grants to substantially all employees of the combined company (pilots, non-pilot employees, and management). No headcount addition quantified; $165M termination fee disclosed. Workforce integration risk noted in Part II Risk Factors.
2008-09-30voluntary_separationin_progress4,2002008-03-01United StatesNon-pilot employeesUSD 114 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Approximately 4,200 employees elected to participate in two voluntary workforce reduction programs announced in March 2008. $114 million recorded in severance and related costs for the nine months ended Sept 30, 2008.
2008-06-30voluntary_separationin_progress4,2002008-03United StatesU.S. non-pilot employeesUSD 112 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Two voluntary workforce reduction programs announced March 2008 targeting roughly 2,000 planned positions; approximately 4,200 employees elected to participate. Severance charge of $112 million for the six months ended June 30, 2008, of which $96 million was recorded in the June 2008 quarter. Filer expects any additional charges to be immaterial.
2008-06-30plant_closurein_progressUnited StatesFacilitiesUSD 6 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Facilities and other charges of $6 million for the six months ended June 30, 2008, primarily for closure of certain facilities; balance includes future lease payments on closed facilities and contract termination fees. MD&A attributes $8 million in the June 2008 quarter to facility closures and merger-related expenses. No employee count disclosed.
2008-06-30othercompleted2008-05United StatesFlight attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board authorized an election in March 2008 on AFA/CWA representation; in May 2008 a substantial majority of eligible Delta flight attendants (over 13,000) rejected AFA representation.
2008-06-30otherannounced2008-04-14United StatesEnterprise (merger with Northwest Airlines Corporation)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger agreement provides for employee equity issuances: 3.5% of fully diluted shares for Delta pilots, 2.38% for Northwest pilots and an intended 4% for U.S.-based non-pilot employees, all contingent on shareholder approval of a plan amendment. No headcount impact disclosed; target close by end of 2008.
2008-06-30otherannounced2008-06-262008-08-25United StatesPilots (Delta and Northwest)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative combined collective bargaining agreement for Delta and Northwest pilots reached in connection with the merger, subject to separate ratification votes; MECs agreed to use best efforts to cause a vote by August 25, 2008. Agreement becomes effective on merger closing and amendable December 31, 2012; outcome of ratification votes not predictable.
2008-06-30voluntary_separationin_progress4,2002008-03-01United StatesNon-pilot employeesUSD 112 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Two voluntary workforce reduction programs announced in March 2008. Approximately 4,200 employees elected to participate. $112 million recorded in restructuring and related items for the six months ended June 30, 2008.
2008-03-31voluntary_separationin_progress2,0002008-03-012008-06-30United StatesNon-pilot employeesUSD 16 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Two voluntary workforce reduction programs announced March 2008 targeting roughly 2,000 positions; about 30,000 employees eligible. $16M charge is the estimated minimum liability and is expected to increase significantly when commitments are finalized in the June 2008 quarter. Announcement date is month-precision only.
2008-03-31otherannounced13,0002008-03-012008-05-28United StatesFlight attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board authorized an election on whether to certify the Association of Flight Attendants/CWA as bargaining representative for over 13,000 Delta flight attendants; election period runs 2008-04-23 to 2008-05-28. Outcome not determinable. Count is the eligible electorate, not employees affected by a separation. Authorization month is month-precision only.
2008-03-31voluntary_separationin_progress2,0002008-03-312008-06-30United StatesNon-pilot employeesUSD 16 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Two voluntary workforce reduction programs announced in March 2008. Intent to reduce planned workforce levels by approximately 2,000 positions. Charge represents estimated minimum liability; expected to increase when commitments finalized in June 2008.
2007-12-31othercompleted39,0002007-04-302007-04-30United StatesNon-contract, non-management employeesUSD 162 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Plan of Reorganization emergence compensation: $130M lump-sum cash to approximately 39,000 eligible employees plus $32M employer payroll taxes on ~14M shares issued; recorded in reorganization items for the four months ended April 30, 2007.
2007-12-31othercompleted2007-04-302007-12-31United StatesPilots (Delta and Comair)USD 83 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Allowed general unsecured claim for Comair's agreement with ALPA to reduce pilot labor costs; no headcount reduction quantified.
2007-12-31otherannounced2008-02-01United StatesFlight attendantssubsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		In February 2008 the Association of Flight Attendants/CWA filed an NMB application for a representation election among Delta flight attendants; timing and outcome not determinable. Announcement date approximate to month.
2007-12-31restructuringcompleted20052007-12-31USD 29 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Workforce reduction program announced in 2005 to reduce staffing by approximately 7,000 to 9,000 jobs by December 2007. $29 million charge recorded in 2007, partially offset by $21 million reduction in accruals. Program described as 'substantially completed' in Note 15.
2007-06-30otherin_progress2007-08-28United StatesDelta Pilotsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comprehensive agreement with ALPA reducing pilot labor costs. Requires issuance of $650M senior unsecured notes (Pilot Obligation) by August 28, 2007; pre-payable at company option or replaceable with cash. Original $2.1B allowed claim recorded in Q2 2006 (prior year).
2007-06-30othercompletedUnited StatesComair PilotsUSD 83 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Allowed general unsecured claim of $83M for Comair's agreement with ALPA reducing pilot labor costs; recorded in the four months ended April 30, 2007 (YTD), specifically in Q1 2007.
2007-06-30otherin_progress39,0002007-04-302007-12-31United StatesNon-contract, non-management employeesUSD 162 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		$130M lump-sum cash payment plus approximately 14M shares of common stock to eligible employees under the Plan; $32M additional charge for employer payroll taxes on stock issuance. Remaining shares to be issued as employees return to work during 2007.
2007-03-31othercompleted2007-03-022007-03-02United StatesComair — pilotsUSD 83 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair–ALPA agreement reducing pilot labor costs became effective 2007-03-02; recorded as an $83M allowed general unsecured pre-petition claim within reorganization items, not as a severance charge. Amendable 2011-03-02.
2007-03-31othercompleted2006-10-192007-01-01United StatesRetirees — pilot and non-pilotUSD 26 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Section 1114 retiree healthcare benefit modifications approved by the Bankruptcy Court on 2006-10-19 and effective 2007-01-01; $26M of allowed general unsecured pre-petition claims recorded in the quarter. Affects retirees rather than active headcount.
2007-03-31otherannounced39,0002007-04-272007-04-30United StatesNon-contract employeesUSD 130 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-emergence compensation program disclosed in this filing: 14 million shares to eligible non-contract employees, cash lump sum of 8% of 2006 earnings or $1,000 (estimated ~$130M total), 4% top-of-scale base pay increase, profit sharing of at least 15% of pre-tax profit, and a new 401(k) contribution of up to 7% of pay. Announcement date is the filing date; no separate announcement date given.
2007-03-31otherannounced1,2002007-04-272007-04-30United StatesManagement (officers, director-level, general managers, managers)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-emergence at-risk management compensation program with equity awards (restricted stock, stock options, performance shares) and annual incentive plan; no across-the-board pay increases until frontline employees reach industry-standard pay. Announcement date is the filing date.
2006-12-31restructuringin_progress20052007-12United StatesCompany-wideUSD 29 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Multi-year program to reduce staffing by approximately 7,000 to 9,000 jobs by December 2007, described as substantially completed at year-end. FY2006 activity only: $29M severance charge, partially offset by a $21M reduction in prior-year accruals. Employees actually separated during 2006 are not separately disclosed; program total (7,000-9,000) spans 2005-2007.
2006-12-31othercompleted1,3452006-11-022006-12-21United StatesComair — Pilotsother
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Comair filed a Section 1113 motion on 2006-11-02 to reject its ALPA pilot collective bargaining agreement; Bankruptcy Court granted the motion 2006-12-21 and enjoined a strike 2007-02-07. A tentative agreement to reduce Comair pilot labor costs was reached 2007-02-12 (subsequent event), subject to ratification and court approval. Affected count is the approximate number of ALPA-represented Comair pilots; no headcount reduction resulted.
2006-12-31restructuringcompleted8,0002005-11-012007-12-31United StatesAllUSD 29 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Workforce reduction program announced in 2005 to reduce staffing by approximately 7,000 to 9,000 jobs by December 2007. Filer states this has been 'substantially completed' as of Dec 31, 2006. $29 million charge recorded in 2006, partially offset by $21 million reduction in accruals.
2006-12-31divestiture_reductioncompleted2005-09-072005-09-07United StatesRegional AffiliatesItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Sale of Atlantic Southeast Airlines (ASA) to SkyWest. Specific headcount removed not disclosed, but ASA operations are no longer included in Delta's employee count.
2006-12-31voluntary_separationcompleted2006-02-22United StatesOfficers and director-level employeesItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Bankruptcy Court approved a severance plan for officers and director-level employees, designed to curb unwanted attrition; no affected-employee count or charge amount disclosed. Messrs. Grinstein and Whitehurst are excluded at their request.
2006-12-31restructuringcompleted12006-06-01United StatesExecutive team (Chief Marketing Officer)USD 344,256 (units)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Paul G. Matsen's employment ended 2006-06-01 due to consolidation of executive positions; severance lump sum equaled twelve months' base salary, plus waived COBRA/life premiums, outplacement and earned vacation pay. Charge value shown is the lump-sum base salary payment only.
2006-09-30othercompleted6,8002005-11-012006-06-01United StatesMainline pilotsUSD 2,100 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comprehensive ALPA agreement effective June 1, 2006 (amendable Dec 31, 2009) providing roughly $280M average annual pilot labor cost savings; includes a $2.1B allowed general unsecured pre-petition claim recorded in reorganization items. PBGC appealed the authorizing order on June 2, 2006; outcome uncertain.
2006-09-30otherin_progress2006-06-262006-11-14United StatesComair flight attendants (IBT-represented)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Bankruptcy Court granted Comair's renewed Section 1113 motion to reject the IBT contract on July 21, 2006; IBT appealed Aug 3, 2006. Comair later reached a tentative agreement subject to ratification by Nov 14, 2006 and court approval.
2006-09-30otherannounced2006-11-022006-11-27United StatesComair pilots (ALPA-represented)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-quarter Section 1113 motion filed Nov 2, 2006 after consensual agreement with ALPA failed; hearing scheduled Nov 27, 2006. Filer states it cannot predict the outcome.
2006-09-30otherannounced2006-10-192007-01-01United StatesRetirees (nonpilot and pilot retiree committees)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Bankruptcy Court approved post-quarter agreements raising retirees' share of healthcare costs, effective Jan 1, 2007, expected to yield about $50M in annual cash savings.
2006-09-30restructuringin_progressUnited StatesNonpilot employees (2005 voluntary and involuntary workforce reduction program)USD 29 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Nine-month activity: $29M additional severance accrual, $42M payments, and a $14M reserve reduction from higher-than-assumed attrition; no employee count disclosed for the period. Reserves are classified within liabilities subject to compromise.
2006-09-30restructuringin_progress2005-01-01Workforce ReductionUSD 29 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Additional accrual of $29 million for costs associated with the 2005 voluntary and involuntary workforce reduction program. Reserve reduced by $14 million due to higher attrition.
2006-09-30othercompleted2006-03-31Equity CompensationUSD 55 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Rejection of substantially all outstanding stock options effective March 31, 2006. Charge represents unamortized fair value.
2006-06-30othercompleted6,8002006-06-01United StatesMainline pilotsUSD 2,100 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comprehensive ALPA agreement effective June 1, 2006 (amendable Dec 31, 2009); ratification date not stated. Provides ~$280M average annual pilot labor cost savings 2006-2009; $2.1B allowed general unsecured pre-petition claim recorded in reorganization items. PBGC appealed the authorizing order on June 2, 2006; outcome uncertain.
2006-06-30otherannounced2006-06-26United StatesComair flight attendants (IBT-represented)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair filed a renewed Section 1113 motion on June 26, 2006 to reject the IBT flight attendant CBA; granted July 21, 2006 and appealed by IBT on Aug 3, 2006 (both post-quarter). Affected employee count not disclosed; Comair continues negotiating. Agreements with Comair ALPA and IAM are conditioned on IBT cost reductions and may need renegotiation.
2006-06-30reduction_in_forcein_progressUnited StatesMainline workforce (2005 voluntary and involuntary workforce reduction program)USD 29 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Six months ended June 30, 2006: $29M additional severance accrual, $31M payments, $14M reduction from higher-than-assumed attrition; severance reserve balance $30M at June 30, 2006. Employees affected not disclosed in this filing. Substantially all restructuring reserves classified in liabilities subject to compromise.
2006-06-30plant_closurein_progressUnited StatesFacilities and other (facility closures, contract terminations, early aircraft lease retirements)USD 4 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Facilities and other reserve balance reduced $21M during the six months ended June 30, 2006, primarily from rejection of certain facility leases; balance $16M at June 30, 2006. Associated headcount not disclosed.
2006-06-30otherannounced2006-06-19United StatesPilot defined benefit pension plan (Pilot Plan)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Notice of intent to terminate the Pilot Plan filed June 19, 2006; distress-termination motion filed Aug 4, 2006 (post-quarter). Filer expects 800-1,000 pilots to retire early if lump sums become payable again; 1,946 pilots estimated eligible to retire as of Oct 1, 2006. No employee count tied to a completed action.
2006-06-30restructuringin_progress2005-01-01USD 29 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Additional accrual of $29 million for costs associated with the 2005 voluntary and involuntary workforce reduction program during the six months ended June 30, 2006.
2006-06-30othercompleted2006-03-31USD 55 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge for rejecting substantially all stock options in conjunction with Chapter 11 proceedings, effective March 31, 2006.
2006-03-31restructuringin_progressUnited StatesMainline and wholly owned subsidiariesUSD 23 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2005 voluntary and involuntary workforce reduction program: $23M additional severance accrual in Q1 2006, $14M payments, $11M downward reserve adjustment; reserve balance $44M at 2006-03-31. Employee counts not disclosed.
2006-03-31otherannounced6,0002006-04-142006-06-01United StatesMainline pilots (ALPA)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative comprehensive agreement with ALPA reached 2006-04-14; ~$280M average annual pilot labor cost savings. Pilot ratification vote expected 2006-05-15 to 2006-05-31; effective 2006-06-01 subject to Bankruptcy Court approval. Includes $2.1B allowed unsecured pre-petition claim and $650M Pilot Notes if Pilot Plan terminated. Affected count is approximate pilot population, not a headcount reduction.
2006-03-31otherin_progress2006-02-22United StatesComair flight attendants (IBT)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair moved to reject its IBT flight attendant CBA on 2006-02-22; Bankruptcy Court denied the motion on 2006-04-26. Comair filed for reconsideration and continues negotiating. Comair's ALPA and IAM cost-reduction agreements are conditioned on IBT concessions.
2006-03-31otherannounced2006-03-202006-03-31United StatesCorporate — equity compensationUSD 55 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Bankruptcy Court granted rejection of substantially all outstanding stock options effective 2006-03-31; $55M charge recorded in reorganization items, net. Compensation action rather than headcount reduction.
2006-03-31restructuringin_progress2005-01-01Workforce ReductionUSD 23 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Additional accrual for 2005 voluntary and involuntary workforce reduction program.
2006-03-31otherannounced2006-04-142006-05-31PilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Tentative comprehensive agreement with ALPA reached; ratification vote expected May 15-31, 2006.
2006-03-31otherin_progress2006-02-22Flight Attendants (Comair)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Motion to reject CBA with IBT denied April 26, 2006; motion for reconsideration filed.
2005-12-31restructuringin_progress2004-11-012007-12-31United StatesSystem-wideUSD 46 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2005 program to eliminate 7,000–9,000 jobs system-wide by end of 2007; $46M charge recorded in 2005, offset by $3M reduction in prior-year accruals
2005-12-31divestiture_reductioncompleted2005-09-072005-09-07United StatesASA (regional subsidiary)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sale of ASA to SkyWest for $425M; headcount transferred not disclosed
2005-12-31otherin_progress2005-11-012006-04-15United StatesDelta PilotsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Section 1113 motion to reject ALPA CBA; interim agreement effective 2005-12-15 with 14% hourly wage cut plus ~1% other reductions; neutral panel decision due 2006-04-15
2005-12-31restructuringin_progress2004-11-012005-12-31United StatesNonpilot workforceMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Pay reductions effective 2005-11-01: 25% CEO, 15% officers, 9% supervisory/administrative, 7-10% most front-line employees (excluding those earning <$25,000); DB pension accruals frozen for nonpilots effective 2005-12-31
2005-12-31restructuringin_progress8,0002005-11-012007-12-31System-wideAll functionsUSD 46 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Decision to reduce staffing by approximately 7,000 to 9,000 jobs by December 2007. $46 million charge recorded in 2005, offset by $3 million reduction in prior accruals.
2005-12-31voluntary_separationcompleted2004-11-012005-12-31System-wideNonpilotUSD 447 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Pension curtailment charge related to planned reduction of 6,000-7,000 jobs announced in Nov 2004 and freeze of service accruals. Includes early retirement window and Alternative Early Retirement Option (AERO).
2005-12-31voluntary_separationcompleted12005-04-012005-04-01United StatesFinance (Executive Officer)USD 198,720 (units)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Mr. Bastian resigned effective 2005-04-01 and received a one-time Separation Agreement payment of $198,720, reported in All Other Compensation; he rejoined Delta as CFO on 2005-07-20.
2005-12-31otherannounced2006-02-22United StatesOfficers and director-level employeessubsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Bankruptcy Court approved a Director and Officer Severance Plan reinstating pre-petition severance practices; EVPs receive 12 months' base salary, VPs/SVPs 9 months, Directors 6 months. Messrs. Grinstein and Whitehurst opted out. No affected-employee count or charge disclosed.
2005-12-31voluntary_separationannounced12006-02-222006-06-01United StatesExecutive Officer (Marketing)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Mr. Matsen and Delta entered a Separation Agreement under the Severance Plan in connection with his departure effective 2006-06-01; subsequent event after fiscal year-end.
2005-09-30restructuringannounced2005-09-302007-12-31System-wideSystem-widerestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Expanded transformation plan announced during the September 2005 quarter targets elimination of 7,000 to 9,000 jobs system-wide by end of 2007; filer states it cannot yet reasonably estimate charge amount or timing.
2005-09-30divestiture_reductioncompleted2005-09-072005-09-07United StatesRegional affiliates (Atlantic Southeast Airlines)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of wholly owned subsidiary Atlantic Southeast Airlines to SkyWest completed September 7, 2005; employee count removed not disclosed.
2005-09-30otherannounced2005-11-01United StatesPilotssubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent event: motion filed November 1, 2005 under Section 1113 of the Bankruptcy Code to reject the collective bargaining agreement with ALPA representing pilots; targeted annual pilot labor cost reduction of $325 million.
2005-09-30restructuringin_progress2004-11-01United StatesNon-pilot workforcerestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Prior-year 2004 workforce reduction program targeting 6,000-7,000 non-pilot job reductions; severance reserve balance of $8 million at September 30, 2005 with $30 million paid during the nine months then ended.
2005-09-30restructuringannounced2005-09-302007-12-31System-wideAll functionsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Announced intention to eliminate 7,000 to 9,000 jobs system-wide by end of 2007. Amount and timing of charges not yet reasonably estimated.
2005-09-30otherannounced2005-11-01United StatesPilotssubsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Filed motion to reject Collective Bargaining Agreement with ALPA under Section 1113 to achieve $325 million annual pilot labor cost reductions.
2005-06-30restructuringin_progress2004-11Nonpilot employeesUSD 447 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program announced November 2004 covering a reduction of 6,000-7,000 nonpilot jobs plus a freeze of Pilot Plan service accruals effective 2004-12-31; count disclosed only as a range, so not reduced to a single figure. The $447M charge is a pension curtailment charge recorded in the March 2005 quarter (within the six months ended 2005-06-30).
2005-06-30voluntary_separationin_progress475United StatesPilotsUSD 172 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		No program announcement; pilots retiring early at above-historical levels. Between 2005-01-01 and 2005-08-01 approximately 565 pilots retired, of whom 475 active-roster pilots elected early retirement (about 145 on 2005-08-01). Associated $172M is the six-month Pilot Plan settlement charge. As of 2005-08-15, roughly 1,200 of 6,300 active pilots were eligible to retire effective 2005-09-01.
2005-06-30divestiture_reductionannounced2005-08-152005-09-30United StatesAtlantic Southeast Airlines, Inc. (ASA) — Delta Connectionsubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Stock Purchase Agreement to sell ASA to SkyWest for $425M ($350M at closing); closing expected September 2005. Total ASA headcount not disclosed; Note 3 references ASA's roughly 1,585 pilots and 900 flight attendants in collective bargaining. ASA will continue as a Delta Connection carrier, so workforce is transferred rather than eliminated.
2005-06-30restructuringin_progress2004-11-01Nonpilot employeesUSD 447 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Curtailment charge related to previously announced reduction of 6,000-7,000 nonpilot jobs and freeze of service accruals under Pilot Plan.
2005-06-30restructuringin_progress2004-11-01Nonpilot employeesUSD 2 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net reduction in operating expenses for severance and related costs under 2004 workforce reduction programs based on revised estimates.
2005-03-31restructuringin_progress2004-11-01United StatesNon-pilot employeesUSD 447 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Planned reduction of 6,000-7,000 nonpilot jobs announced November 2004; curtailment charge reflects this reduction and the freeze of Pilot Plan service accruals effective December 31, 2004
2005-03-31restructuringin_progress2004-12-31United StatesPilotsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Freeze of service accruals under the Pilot Plan effective December 31, 2004; included in the $447 million curtailment charge
2005-03-31voluntary_separationcompleted265United StatesPilotsUSD 68 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Settlement charge for lump-sum retirement distributions to 265 pilots who retired during the March 2005 quarter; additional settlement charges expected in June, September, and December 2005 quarters
2005-03-31plant_closurecompletedDallas-Fort Worth, TexasHub operationsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Dehubbing of Dallas-Fort Worth operation completed during the March 2005 quarter; no material charge recorded as fair value of lease liability was not material; aircraft redeployed to Atlanta, Cincinnati, Salt Lake City, New York, and Orlando
2005-03-31otherin_progressUnited StatesASA pilots and flight attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ASA in collective bargaining negotiations with ALPA (approximately 1,545 pilots) and AFA (approximately 905 flight attendants); agreements became amendable September 2002 and September 2003 respectively; outcome cannot presently be determined
2005-03-31restructuringin_progress2004-11-01Non-pilot employeesUSD 447 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Curtailment charge related to planned reduction of 6,000-7,000 nonpilot jobs announced in Nov 2004. Employee count is a range from prior announcement; charge recorded in Q1 2005.
2005-03-31voluntary_separationin_progress265PilotsUSD 68 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Settlement charge related to lump sum distributions for 265 pilots who retired.
2005-03-31restructuringin_progressGeneralUSD 6 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Additional severance reserve for 2004 workforce reduction programs based on revised estimates.
2004-12-31restructuringin_progress2004-09-082005-12-31United StatesNon-pilot workgroups (all functions)USD 194 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Transformation plan targets elimination of 6,000 to 7,000 non-pilot jobs by December 2005; a range rather than a point count is disclosed, so employees_affected_count is null. The $194M charge comprises $152M special termination benefits and $42M employee severance. Approximately 3,400 employees elected voluntary programs (travel option / early retirement).
2004-12-31othercompleted2004-11-11United StatesMainline pilotsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Agreement with ALPA providing $1 billion in long-term annual cost savings: 32.5% base pay rate reduction effective 2004-12-01, no scheduled pay increases, 16% vacation pay reduction, increased medical cost sharing, freeze of defined benefit accrual at 2004-12-31 and new defined contribution plan from 2005-01-01. Compensation/benefit action rather than a headcount reduction; no affected-employee count or charge disclosed. Agreement amendable 2009-12-31.
2004-12-31restructuringannounced2004-09-082005-01-31United States — Dallas/Ft. WorthDallas/Ft. Worth hub operationsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Dehubbing implemented January 2005 (after fiscal year-end); aircraft redeployed to Atlanta, Cincinnati and Salt Lake City. Targeted benefits of $75M in 2005 and $100M in 2006 disclosed, but no employee count or workforce-specific charge given.
2004-12-31othercompleted2004-12-31United StatesNon-pilot employees — compensation and benefitsrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Across-the-board 10% pay reduction for executives, supervisory, administrative and frontline non-pilot employees effective 2005-01-01, plus elimination of the post-retirement healthcare coverage subsidy for non-pilot employees retiring after 2006-01-01 (recognized as a $527M curtailment gain in 2004). Benefit/compensation action; no headcount reduction quantified.
2004-12-31restructuringin_progress2004-12-312005-12-31United StatesNon-pilot employeesUSD 194 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Plan to eliminate 6,000 to 7,000 non-pilot jobs by December 2005. Charge includes $152M special termination benefits and $42M severance. Approximately 3,400 employees elected voluntary programs.
2004-12-31voluntary_separationcompleted3,4002004-12-312004-12-31United StatesNon-pilot employeesMD&A
f5-10k / Qwen3.6-27B-Q8_0		Approximately 3,400 employees elected to participate in voluntary workforce reduction programs including travel options and early retirement.
2004-09-30restructuringannounced2004-09-08United StatesNon-pilot workforce (executives, supervisory, administrative, frontline)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Filer discloses a range of 6,000–7,000 non-pilot jobs to be eliminated over 18 months from announcement; no single count given. Includes an across-the-board 10% pay reduction for executives, supervisory, administrative and frontline employees. Filer states it cannot reasonably estimate the net impact of related one-time adjustments. Duplicated in MD&A; sourced once from Note 1.
2004-09-30plant_closureannounced2004-09-082005-01-31Dallas/Ft. Worth, United StatesDallas/Ft. Worth hub operationother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Dehubbing of the Dallas/Ft. Worth operation with assets re-deployed to other hubs; no headcount figure disclosed for this component. Part of the broader transformation plan.
2004-09-30otherannounced2004-11-11United StatesPilots (ALPA-represented)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-quarter collective bargaining agreement delivering $1 billion in long-term annual cost savings: 32.5% base pay cut effective 2004-12-01, 16% vacation pay cut, increased medical cost sharing, pension service accrual stopped 2004-12-31 and a defined contribution plan from 2005-01-01. Amendable 2009-12-31. No headcount reduction disclosed.
2004-09-30othercompleted1852004-11-102004-11-10United StatesFlight superintendentsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ratification of a new five-year agreement (amendable 2010-01-01) covering 185 flight superintendents represented by the Professional Airline Flight Control Association: 10% wage reduction, productivity enhancements and conversion to a cash balance retirement plan. Count reflects bargaining-unit size, not positions eliminated.
2004-09-30othercompleted992004-10-012004-10-01United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		99 pilots retired effective 2004-10-01, of which 71 were early retirements from the active roster; 3 were rehired under the ALPA interim agreement. Post-quarter event.
2004-09-30othercompleted692004-11-012004-11-01United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		69 pilots retired effective 2004-11-01, of which 55 were early retirements from the active roster. Post-quarter event.
2004-09-30restructuringannounced6,5002004-09-082005-03-31United StatesNon-pilot operationalMD&A
f5-10q / Qwen3.6-27B-Q8_0		Announced elimination of 6,000-7,000 non-pilot jobs over next 18 months. Midpoint used for count.
2004-09-30voluntary_separationin_progress1682004-09-28United StatesPilotsRisk Factors
f5-10q / Qwen3.6-27B-Q8_0		99 pilots retired Oct 1 (71 early); 69 pilots retired Nov 1 (55 early). 3 rehired.
2004-06-30otherannounced2004-07-30United StatesPilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-quarter proposal to ALPA to reduce pilot costs by roughly $1 billion annually through wage, pension, benefit and work-rule changes; no headcount reduction quantified and outcome uncertain.
2004-06-30otherin_progressUnited StatesPilotsUSD 117 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Non-cash pension settlement charge in the June 2004 quarter from lump-sum distributions to retiring pilots; early retirements running above historical levels. Further settlement charges expected in the September and December 2004 quarters; no affected-employee count disclosed.
2004-06-30restructuringin_progressUnited Statesrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Prior-year workforce reduction programs (2002 and 2001) with ongoing reserve activity in the quarter: payments and $3 million of estimate adjustments. Reserve balances at June 30, 2004 were $1 million severance (2002 programs) and $42 million facilities/other; no employee counts disclosed.
2004-06-30restructuringin_progress2002-01-01Workforce ReductionUSD 3 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Adjustments totaling $3 million recorded related to 2002 workforce reduction programs reserve based on revised estimates.
2004-06-30restructuringin_progress2001-01-01Facilities and OtherUSD 1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Adjustments of $1 million recorded related to facilities and other reserve based on revised estimates.
2004-03-31otherannounced1,0602004-03-31United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		1,060 pilots were furloughed after September 11, 2001; an arbitrator required recall once system traffic exceeded pre-attack levels. Delta determined traffic crossed that threshold effective end of March 2004 and will begin recalls, with timing set by standard training processes. Filer states no material 2004 financial effect; post-2004 impact not estimable.
2004-03-31restructuringin_progress2002 Workforce Reduction Programsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ongoing program; reserve for severance and related costs was $3 million at 2004-03-31 (payments of $1 million and a $1 million downward adjustment in the quarter). No employee count or new charge disclosed for the quarter; a separate facilities and other reserve of $44 million covers closed-facility leases and contract termination fees.
2004-03-31otherin_progress1,0602004-03-31Pilotsother
f5-10q / Qwen3.6-27B-Q8_0		Recall of 1,060 pilots previously furloughed due to September 11, 2001 attacks. Recall schedule determined by standard training processes.
2003-12-31restructuringin_progress8,0002002-10-01United StatesAll workgroups excluding pilotsUSD 43 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Program announced October 2002 to reduce staffing by up to ~8,000 jobs; ~3,900 elected voluntary programs, ~4,000 involuntary expected. FY2003 charge of $43M relates to pension/postretirement curtailment losses from this program. Original $127M charge recorded in FY2002.
2003-12-31layoffin_progress1,0602003-02-13United StatesDelta PilotsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Arbitrator's supplemental opinion on 2003-02-13 capped pilot furloughs at 1,060; no recall required until system traffic exceeds pre-September 11, 2001 levels. Furloughs originally authorized April 2002 for up to 1,400 pilots.
2003-12-31restructuringcompleted11,7002001-09-11United StatesAll workgroups including pilotsUSD 566 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2001 program: ~10,000 employees elected voluntary programs; involuntary reductions expected up to ~1,700 (up to 1,400 pilots and 300 other). Charge recorded in FY2001; residual $1M severance reserve remained at 2003-12-31. Included for context of multi-year restructuring activity.
2003-12-31restructuringcompleted3,9002002-10-01United StatesAll workgroups, excluding pilotsUSD 127 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		2002 workforce reduction program. Approximately 3,900 employees elected voluntary programs. Charge includes $51M special termination benefits and $76M severance. Activity reported in 2003 10-K as part of 2003 net charges ($43M curtailment loss related to 2002 program).
2003-12-31restructuringcompleted4,0002002-10-01United StatesAll workgroups, excluding pilotsrestructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		2002 workforce reduction program. Involuntary reductions expected to affect approximately 4,000 employees. No specific charge attributed solely to involuntary count in 2003 note, but included in overall program.
2003-12-31restructuringcompleted10,0002001-09-11United StatesAll workgroupsUSD 566 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		2001 workforce reduction program. Approximately 10,000 employees elected voluntary programs. Charge includes $475M special termination benefits and $91M severance. Reported in 2003 10-K for comparative context.
2003-12-31restructuringcompleted1,7002001-09-11United StatesPilots and other workgroupsrestructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		2001 workforce reduction program. Involuntary reductions expected to affect up to 1,700 employees (up to 1,400 pilots and 300 others). Reported in 2003 10-K for comparative context.
2003-12-31layoffcompleted1,0602002-04-01United StatesPilotsItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Arbitrator ruled furloughs capped at 1,060 pilots. Furloughs caused by circumstances beyond control (9/11 attacks).
2003-09-30restructuringin_progress2002-01-01United StatesEnterprise-wideUSD 41 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Prior-year 2002 workforce reduction programs; $41M severance payments in the nine months ended 2003-09-30, leaving a $30M reserve. No employee count disclosed.
2003-09-30restructuringannounced2003-092004-01Salt Lake City, UtahHub operations — mainline replaced by regional jetsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Hub restructuring effective January 2004; increases departures while cutting hub capacity over 13% year-over-year. No headcount or charge disclosed.
2003-09-30otherannounced2003-10United StatesPilots (ALPA-represented)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta presented a revised proposal to ALPA in October 2003 to move toward a competitive pilot cost structure; contract not amendable until 2005-05-01. Outcome not predictable per filer.
2003-09-30otherannounced6202003-11United StatesPilots — defined benefit pension planUSD 140 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 620 pilot retirements during the year ended 2003-09-30 trigger a non-cash pension settlement charge of about $140M net of tax in the December 2003 quarter. Charge is a pension settlement, not severance.
2003-09-30restructuringin_progress2003-09-302004-01-01Salt Lake CityOperationsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Announced restructuring of operations at Salt Lake City hub, effective January 2004. Decreases hub capacity by over 13% year-over-year through replacement of mainline aircraft with regional jets. No specific employee count or charge disclosed.
2003-09-30restructuringin_progress2002-12-31WorkforceUSD 9 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Adjustment of $9 million to facilities and other reserves balance for 2002 workforce reduction programs based on revised estimates of remaining costs.
2003-06-30layoffin_progress2502003-04-01United StatesPilots (mainline)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Furlough of 250 pilots implemented in response to demand decline from Iraq military action; no charge quantified. ALPA filed a grievance on 2003-06-18 contesting the continued furlough (see Part II, Item 1).
2003-06-30othercompleted1,0002003-04-012003-05-31United StatesDomestic ground employees and flight attendantsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Provided 1,000 employees 60-day voluntary unpaid leaves of absence during April and May 2003; temporary, not a separation.
2003-06-30restructuringin_progressUnited StatesEnterprise-wide (2002 workforce reduction programs)USD 43 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program announced in 2002; six-month 2003 charge of $43M relates to pension and postretirement obligations for 2002 workforce reduction participants. Severance reserve balance $33M at 2003-06-30 (2002 program) and $1M (2001 program); no employee count disclosed for the program.
2003-06-30otherin_progress2502003-06-18United StatesPilots (mainline) — labor grievanceother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA grievance asserting the continued furlough of 250 pilots breaches the collective bargaining agreement; union seeks recall effective 2003-06-01 with back pay. Same 250-pilot population as the MD&A furlough action.
2003-06-30othercompleted2502003-04-01PilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Furloughed 250 pilots in response to decline in demand.
2003-06-30othercompleted1,0002003-04-012003-05-31Ground employees and flight attendantsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Provided 60-day voluntary, unpaid leaves of absence during April and May 2003.
2003-03-31layoffin_progress2502003-03-31United StatesPilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta began furloughing 250 pilots in response to demand decline from the Iraq war; no separate charge disclosed.
2003-03-31voluntary_separationin_progress1,0002003-03-312003-05-31United StatesDomestic ground employees and flight attendantsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Offered 60-day voluntary unpaid leaves of absence for April and May 2003; over 1,000 employees elected to participate.
2003-03-31restructuringin_progressUnited StatesEnterprise-wide (2002 workforce reduction programs)USD 43 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pretax curtailment charge for incremental pension/postretirement obligations of 2002 workforce reduction participants; severance reserve balance fell from $71M to $46M during the quarter with $25M of payments. No employee count disclosed for this program.
2003-03-31restructuringin_progress2002-01-01USD 43 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Net pretax curtailment charge for incremental cost of pension and postretirement benefit obligations for employees participating in the 2002 workforce reduction programs.
2003-03-31layoffin_progress2502003-03-31PilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Began furloughing 250 pilots in response to decline in demand.
2003-03-31voluntary_separationin_progress1,0002003-03-312003-05-31DomesticGround employees and flight attendantsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Offered 60-day voluntary, unpaid leaves of absence during April and May 2003. Over 1,000 employees elected to participate.
2002-12-31restructuringin_progress8,0002002-10-012003-05-01United StatesAll work groups excluding pilotsUSD 127 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Up to approximately 8,000 jobs; ~3,900 employees elected voluntary programs (severance, leaves, early retirement); involuntary reductions up to ~4,000. Charge includes $51M pension/postretirement special termination benefits and $76M severance. An additional ~$43M pension curtailment charge expected in Q1 2003.
2002-12-31layoffin_progress1,0602002-04-01United StatesDelta PilotsUSD 93 (millions)Item_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Arbitrator upheld Delta's right to furlough up to 1,400 pilots in April 2002; February 13, 2003 supplemental opinion capped furloughs at 1,060. $93M charge covers temporary carrying cost of surplus pilots and grounded aircraft in FY2002. Furloughs relate to capacity reductions effective November 1, 2001.
2002-12-31restructuringin_progress8,0002002-102003-05-01United StatesAll work groups, excluding pilotsUSD 127 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Workforce reduction program announced in October 2002 to reduce staffing by up to 8,000 jobs. Includes voluntary severance, leaves of absence, early retirement, and involuntary reductions. Pretax charge of $127 million recorded in Dec 2002 quarter.
2002-12-31voluntary_separationcompleted3,9002002-102002-12-31United StatesNon-pilot employeesUSD 51 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Approximately 3,900 employees elected to participate in voluntary programs including severance, leaves of absence, and early retirement. Includes $51 million for special termination benefits.
2002-12-31reduction_in_forcein_progress4,0002002-102003-05United StatesNon-pilot employeesUSD 76 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Involuntary reductions affecting up to approximately 4,000 employees. Includes $76 million for severance and related costs.
2002-12-31restructuringcompleted10,00020012001-12-31United StatesAll workgroupsUSD 566 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		2001 workforce reduction program due to capacity reductions post-9/11. Approximately 10,000 employees participated in voluntary programs. Involuntary reductions affected up to 1,700 employees. Total charge $566 million.
2002-09-30restructuringannounced8,000MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Upper-bound figure ('up to'); filer estimates approximately $400 million in annual savings. Presented as part of a broader plan including MD-11 grounding, deferral of 31 mainline aircraft deliveries and a 15-area profit improvement review. No explicit announcement date, completion date or severance charge is stated in the filing.
2002-09-30voluntary_separationannouncedMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Programs to be offered during the December 2002 quarter as part of the employee cost reduction initiative. Filer states the unusual charge will depend on the number of employees accepting the programs, which it does not presently know.
2002-09-30layoffin_progress1,400Pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Plan to furlough up to 1,400 pilots (upper bound) began with staffing reductions in late 2001. Arbitrator denied the ALPA grievance in April 2002; a further hearing was held in October 2002 with no decision issued as of the filing. Related carrying costs for surplus pilots and grounded aircraft were $18 million in the September 2002 quarter.
2002-09-30othercompleted2002-02-01United StatesFlight attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board announced that approximately 19,000 flight attendants rejected union representation by a 71% to 29% margin; the NMB is investigating interference charges filed by the Association of Flight Attendants, which the filer believes are without merit. Labor-relations event with no headcount impact; disclosed in Part II, Item 5.
2002-09-30restructuringin_progress2002-09-30MD&A
f5-10q / Qwen3.6-27B-Q8_0		Announced initiative to reduce staffing by up to 8,000 jobs. Charge amount depends on employee acceptance and is not presently known.
2002-09-30voluntary_separationannounced2002-09-302002-12-31MD&A
f5-10q / Qwen3.6-27B-Q8_0		Early retirement, leave of absence and severance programs offered to employees during the December 2002 quarter.
2002-09-30othercompleted2002-02-01United StatesFlight Attendantsother
f5-10q / Qwen3.6-27B-Q8_0		Flight attendants rejected union representation by 71% to 29% margin.
2002-06-30layoffin_progress1,4002001-11-012003-12-31United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Up to 1,400 pilot furloughs tied to 16% capacity reduction effective Nov 1, 2001. Approximately 400 occurred in 2001; up to 1,000 expected in 2002 or 2003. ALPA grievance denied by arbitrator April 12, 2002.
2002-06-30otherannounced2002-07-16United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA letter dated July 16, 2002 asserting no further pilot furloughs and that Delta should recall furloughed pilots. Delta believes assertions are without merit.
2002-06-30othercompleted2002-06-302003-01-01United StatesPilot Ground Training Instructorsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 150 pilot ground training instructors ratified a collective bargaining agreement with TWU in June 2002. Agreement becomes amendable January 1, 2003. NMB representation election on August 9, 2002 resulted in less than 50% voter turnout, potentially returning group to nonunion status.
2002-06-30othercompleted2002-07-31United StatesComair Flight Attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 700 Comair flight attendants ratified a collective bargaining agreement with IBT in July 2002. Agreement becomes amendable July 2007.
2002-06-30otherin_progress2002-02-01United StatesFlight Attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		NMB announced approximately 19,000 flight attendants rejected union representation 71% to 29% on February 1, 2002. NMB investigating interference charges filed by AFA; Delta believes charges lack merit.
2002-06-30restructuringin_progress11,0002001-11-01other
f5-10q / Qwen3.6-27B-Q8_0		Staffing reduction program effective Nov 1, 2001 due to capacity reductions. Includes ~10,000 voluntary participants (leaves, severance, early retirement) and ~1,700 involuntary reductions (including up to 1,400 pilot furloughs).
2002-06-30othercompleted19,0002002-02-01Flight Attendantsother
f5-10q / Qwen3.6-27B-Q8_0		Flight attendants rejected union representation by 71% to 29% margin. NMB investigating interference charges.
2002-06-30othercompleted1502002-06-01Pilot Ground Training Instructorsother
f5-10q / Qwen3.6-27B-Q8_0		Ratified collective bargaining agreement. Subsequent election resulted in less than 50% participation, setting stage for return to nonunion status.
2002-06-30othercompleted7002002-07-01Comair Flight Attendantsother
f5-10q / Qwen3.6-27B-Q8_0		Ratified collective bargaining agreement with International Brotherhood of Teamsters.
2002-03-31voluntary_separationcompleted10,0002001-11-012001-12-31United StatesAll major work groupsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary programs including leaves of absence, severance and early retirement, part of an approximately 11,000-employee staffing reduction tied to a 16% capacity cut effective 2001-11-01
2002-03-31layoffin_progress1,7002001-11-012002-12-31United StatesAll major work groups, including up to 1,400 pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Involuntary reductions expected to affect approximately 1,700 employees; about 400 pilot furloughs occurred in 2001 with up to 1,000 more expected in 2002. ALPA grievance over pilot furloughs was denied by arbitrator on 2002-04-12
2002-03-31othercompleted19,0002002-02-012002-02-01United StatesFlight attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 19,000 flight attendants rejected union representation 71% to 29%; National Mediation Board investigating interference charges, which Delta believes meritless
2002-03-31voluntary_separationcompleted10,0002001-11-012001-12-31United StatesAll major work groupsother
f5-10q / Qwen3.6-27B-Q8_0		Approximately 10,000 employees participated in voluntary programs including leaves of absence, severance, and early retirement as of Dec 31, 2001.
2002-03-31layoffin_progress1,7002001-11-012002-12-31United StatesPilotsother
f5-10q / Qwen3.6-27B-Q8_0		Involuntary reductions expected to affect approx 1,700 employees, including furlough of up to 1,400 pilots. Arbitrator denied grievance on April 12, 2002.
2001-12-31restructuringin_progress11,0002001-11-012002-12-31United StatesAll major work groupsUSD 566 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Staffing reduction of approximately 11,000 employees across all major work groups at December 31, 2001, driven by 16% capacity reduction effective November 1, 2001. Charge includes $475M for early retirement and voluntary leave programs and $91M for severance.
2001-12-31voluntary_separationcompleted10,0002001-11-012001-12-31United StatesAll major work groupsUSD 475 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Approximately 10,000 employees participated in voluntary programs including leaves of absence, severance, and early retirement. Charge recorded as adjustments to pension and postretirement benefit obligations.
2001-12-31layoffin_progress1,7002001-11-012002-12-31United StatesPilots and other work groupsUSD 91 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Involuntary reductions affecting approximately 1,700 employees, including furlough of approximately 1,400 pilots. Approximately 400 pilot furloughs occurred in 2001; approximately 1,000 expected in 2002. Remaining $47M severance recorded as current liability.
2001-12-31othercompleted2001-03-262001-06-22United StatesComair — PilotsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		89-day Comair pilot strike from March 26 to June 22, 2001. Comair suspended operations March 26 to July 1, 2001; service fully restored January 2002. Estimated revenue impact of approximately $680 million in 2001.
2001-12-31othercompleted2001-06-202001-06-20United StatesDelta Mainline — PilotsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Delta pilots ratified a new collective bargaining agreement on June 20, 2001, avoiding a possible strike. Prior job action in December 2000 reduced pilot overtime availability.
2001-12-31restructuringin_progress11,0002001-11-012002-12-31United StatesAll major work groupsUSD 1,100 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Staffing reduction due to capacity cuts effective Nov 1, 2001. Includes ~10,000 voluntary (leaves, severance, early retirement) and ~1,700 involuntary (including ~1,400 pilot furloughs). $1.1B charge includes $566M staffing, $363M aircraft impairment, $160M discontinued contracts/IT, $30M surplus pilot/aircraft costs.
2001-12-31voluntary_separationcompleted10,0002001-11-012001-12-31United StatesAll major work groupsUSD 475 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Approximately 10,000 employees participated in voluntary programs including leaves of absence, severance, and early retirement. $475M relates to early retirement and voluntary leave costs.
2001-12-31layoffin_progress1,7002001-11-012002-12-31United StatesPilots and other work groupsUSD 91 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Involuntary reductions expected to affect approx 1,700 employees, including furlough of approx 1,400 pilots. $91M relates to severance and related costs.
2001-09-30voluntary_separationin_progress11,0002001-09-26United StatesAll major work groupsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Component of the program announced September 26, 2001 to reduce staffing by up to 13,000 positions. Approximately 11,000 employees elected voluntary programs (leaves of absence, severance, special early retirement). Acceptance deadlines had not passed as of September 30, 2001.
2001-09-30reduction_in_forceannounced2,0002001-09-26United StatesAll major work groups; includes up to 1,700 pilots and 300 employees from other work groupsUSD 68 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Involuntary component of the up-to-13,000-position program (voluntary component shown separately; components sum to 13,000). The $68 million severance charge recorded in Q3 2001 represents total estimated program severance, estimated by assuming the involuntary target was achieved.
2001-09-30voluntary_separationannounced2001-11-14United StatesAll major work groups — early retirement programUSD 425 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Disclosed charge range of approximately $425-450 million (low end shown) expected in the December 2001 quarter for the early retirement program offered under the staffing reduction initiative announced 2001-09-26; headcount not separately disclosed for this component.
2001-09-30othercompleted2001-03-262001-07-02United StatesComair (regional subsidiary) — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		89-day Comair pilot strike beginning March 26, 2001; new collective bargaining agreement ratified June 22, 2001. Comair suspended operations March 26 through July 1, 2001 and resumed partial service July 2, 2001. Pilot headcount not disclosed.
2001-09-30otherannounced20,0002002-02-01United StatesFlight attendants (AFA representation election)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board authorized an election on whether to certify the Association of Flight Attendants as bargaining representative for approximately 20,000 Delta flight attendants (count is bargaining-unit size, not employees separated). Ballots mailed December 7, 2001; results planned for February 1, 2002. Authorization date not stated in filing.
2001-09-30otherannounced2001-11-01United StatesDelta pilots (ALPA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA filed a grievance asserting Delta's plan to furlough up to 1,700 pilots is not permitted under the collective bargaining agreement; to be decided by a neutral arbitrator on an expedited timetable. Same pilot population as the involuntary component above — count not repeated to avoid double counting.
2001-09-30otherin_progress1502001-01United StatesDelta pilot ground training instructors (TWU)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ongoing collective bargaining negotiations with the Transport Workers Union of America covering approximately 150 employees; NMB-appointed mediator participating since January 2001. Count is bargaining-unit size; outcome cannot presently be determined.
2001-09-30otherin_progress7002000-04United StatesComair flight attendants (IBT)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ongoing negotiations with the International Brotherhood of Teamsters covering approximately 700 Comair flight attendants; mediator appointed April 2000 and negotiations continue into the current period. Count is bargaining-unit size; outcome cannot presently be determined.
2001-09-30restructuringin_progress13,0002001-09-26United StatesAll major work groupsUSD 68 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Plan to reduce staffing by up to 13,000 positions. Includes voluntary programs (leaves, severance, early retirement) and involuntary reductions. $68 million charge recorded for estimated severance costs.
2001-09-30otherin_progress2001-11-01United StatesPilotssubsequent_events
f5-10q / Qwen3.6-27B-Q8_0		ALPA filed grievance regarding furlough of up to 1,700 pilots. Delta believes furloughs are caused by circumstances beyond its control.
2001-09-30otherin_progress20,0002002-02-01United StatesFlight Attendantssubsequent_events
f5-10q / Qwen3.6-27B-Q8_0		NMB authorized election to certify Association of Flight Attendants as collective bargaining representative for approx. 20,000 flight attendants. Results expected Feb 1, 2002.
2001-06-30othercompleted1,3002001-03-262001-06-22United States (Comair regional operations)Comair — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		89-day pilot strike; Comair suspended all operations March 26 through July 1, 2001. Ended by contract ratification June 22, 2001. Estimated to reduce consolidated net income by about $195 million in the June 2001 quarter. Affected count is the approximate ALPA-represented Comair pilot population.
2001-06-30layoffcompleted2001-03-26United States (Comair regional operations)Comair — non-pilot workforceMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair layoffs tied to the pilot strike reduced Comair salaries expense in the quarter; no employee count disclosed. Distinct from the strike action above.
2001-06-30othercompleted2001-06-202001-06-20United StatesDelta mainline — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta pilots ratified a new collective bargaining agreement June 20, 2001, averting a strike; agreement covers approximately 10,000 pilots and is estimated to raise pilot costs by about $2.4 billion over the May 2000-May 2005 term. Retroactive obligation accrued; no one-time charge recorded.
2001-06-30otherin_progressUnited StatesEnterprise-wideMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Hiring freeze instituted among cost-mitigation actions responding to the slowing U.S. economy; no announcement date, duration, or affected headcount disclosed.
2001-06-30othercompleted2001-06-20United StatesPilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Delta pilots ratified a new collective bargaining agreement on June 20, 2001, avoiding a possible strike. The agreement replaces the existing contract amendable May 1, 2000.
2001-06-30othercompleted2001-06-22United StatesComair PilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Comair pilots ratified a new collective bargaining agreement on June 22, 2001, ending an 89-day strike. Operations resumed July 2.
2001-06-30voluntary_separationcompletedUSD 86 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Charge related to early retirement medical option program allowing eligible employees to retire with continued medical coverage.
2001-03-31otherin_progress2001-03-26United StatesComair — flight operations (pilots)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair pilots (approximately 1,300 represented by ALPA) began a strike on March 26, 2001; Comair suspended all flight operations. Strike reduced consolidated revenue by about $4 million per day ($24 million in the quarter).
2001-03-31layoffannounced2,0002001-04-012001-05-13United StatesComair — nonpilot employeessubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced in April 2001 as a consequence of the ongoing strike; approximately 2,000 of Comair's 4,000 nonpilot employees to be laid off on May 13, 2001.
2001-03-31reduction_in_forceannounced2002001-04-01United StatesComair — pilots (fleet reduction driven)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair announced elimination of 200 pilot positions tied to accelerating retirement of nine EMB-120 aircraft and removal of eight CRJ-100 aircraft from its fleet.
2001-03-31otherannounced2001-04-222001-06-20United StatesDelta mainline — pilots (approximately 10,000 represented by ALPA)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative collective bargaining agreement reached April 22, 2001; ratified by MEC May 2, 2001; pilot ratification vote due by June 20, 2001. If ratified, estimated to increase pilot costs by approximately $2.4 billion over May 2000–May 2005; retroactive salary increases accrued. Prior job action in December 2000 reduced overtime flying and led to a 2.7% mainline schedule cut for the March 2001 quarter.
2001-03-31otherin_progress2001-05-042001-05-12United StatesComair — pilotssubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board recommended a settlement offer; Comair accepted May 4, 2001 and ALPA agreed to submit it for pilot ratification, with voting to conclude by May 12, 2001.
2001-03-31otherin_progress1,3002001-03-26United StatesComair Pilotssubsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Comair pilots began strike on March 26, 2001. Operations suspended.
2001-03-31layoffannounced2,0002001-04-012001-05-13United StatesComair Nonpilot Employeessubsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Comair announced plans to lay off approximately 2,000 of its 4,000 nonpilot employees on May 13, 2001.
2001-03-31reduction_in_forceannounced2002001-04-01United StatesComair Pilotssubsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Comair announced plans to eliminate 200 pilot positions as a result of fleet reductions.
2000-09-30restructuringin_progress2000-09-30Portland, Oregon, United StatesInternational passenger operations (Pacific gateway)USD 13 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Charge stated net of tax; no employee count or completion date disclosed. Recorded during the September 2000 quarter.
2000-09-30othercompleted11,0002000-10-01United StatesRamp and cargo employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 11,000 ramp and cargo employees rejected representation by the Transport Workers Union of America in October 2000; 19% voted for union representation. Month-only date used.
2000-09-30otherannounced3002000-11-152000-12-15United StatesASA mechanics and related employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board authorized an election on whether to certify the International Association of Machinists and Aerospace Workers for approximately 300 ASA employees; ballots mail 2000-11-15, results planned 2000-12-15. Certification requires more than 50% voting for representation.
2000-09-30restructuringcompleted2000-09-30Portland, OregonPacific gatewayUSD 13 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Restructuring charge net of tax due to decision to discontinue Pacific gateway in Portland, Oregon.
2000-09-30othercompleted11,0002000-10-01United StatesRamp and cargoother
f5-10q / Qwen3.6-27B-Q8_0		Approximately 11,000 ramp and cargo employees rejected representation by the Transport Workers Union of America.
2000-09-30otherannounced3002000-11-152000-12-15United StatesASA Mechanicsother
f5-10q / Qwen3.6-27B-Q8_0		Election authorized to determine certification of IAM as collective bargaining representative for approximately 300 ASA mechanics.
2000-06-30voluntary_separationcompleted2,500United StatesDelta (eligible employees)USD 86 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Early retirement medical option program; approximately 2,500 employees elected to participate; pretax charge of $86M recorded in quarter ended June 30, 2000
2000-06-30acquisition_additioncompleted1999-11-22United StatesComair Holdings (regional jet carrier)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired all remaining outstanding common stock of Comair Holdings for $1.8 billion; headcount added not disclosed; Comair pilots (1,300), maintenance (410), and flight attendants (550) shown in union table
2000-06-30acquisition_additioncompleted1999-03-22United StatesASA Holdings (regional jet carrier)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired all remaining outstanding common stock of ASA Holdings for $700 million; headcount added not disclosed; ASA pilots (990), flight attendants (540), and dispatchers (30) shown in union table
2000-06-30acquisition_additioncompleted1999-11-221999-11-22United StatesRegional Jet Carrier (Comair)USD 1,800 (millions)business_combinations_footnote
f5-10k / Qwen3.6-27B-Q8_0		Acquisition of Comair Holdings, Inc. for $1.8 billion. Consolidated results include Comair from Nov 22, 1999. Specific headcount added not disclosed.
2000-06-30voluntary_separationcompleted2,5002000-06-302000-06-30United StatesDelta EmployeesUSD 86 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Early retirement medical option program. Approximately 2,500 employees elected to participate. Pretax charge of $86 million recorded in quarter ended June 30, 2000.
2000-03-31acquisition_additioncompleted1999-10-172000-01-31United StatesDelta Connection regional operations (Comair)USD 1,800 (millions)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition cost $1.8B; tender offer completed Nov 1999, merger Jan 2000. Headcount added not disclosed.
2000-03-31acquisition_additioncompleted1999-07-011999-07-01United StatesDelta Connection regional operations (Atlantic Southeast Airlines)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ASA results consolidated from July 1, 1999; headcount added not disclosed.
2000-03-31voluntary_separationannounced2,5002000-03-012000-06-30United StatesDelta domestic employeesUSD 85 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Early retirement medical option offered Mar 1–Apr 14, 2000; ~2,500 elected as of Apr 25, 2000. Expected one-time charge of $80–90M in June 2000 quarter; midpoint shown.
2000-03-31otherin_progress2000-03-03United StatesRamp and cargo employees (~11,000)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		NMB election result: employees voted 17% in favor to reject TWU representation; TWU filed claim alleging interference and seeking rerun election.
2000-03-31otherin_progress1999-11-29United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA ratified new agreement effective Jan 1, 2000: 6% profit-sharing conversion to pay increase plus additional 3% increase for most pilots. Separate negotiations for main contract began Sep 8, 1999; contract became amendable May 2, 2000.
2000-03-31otherin_progress1999-12-16United StatesComair pilots (ALPA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair filed suit against ALPA over unlawful job action; court issued preliminary injunction Dec 21, 1999. Contract became amendable Jun 1, 1998.
2000-03-31otherin_progress1999-11-22United StatesComair maintenance employees (IAM)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative IAM agreement rejected by employees in late Dec 1999; negotiations resumed. Contract became amendable Jun 1, 1999.
2000-03-31otherin_progress1999-10-26United StatesPilot ground training instructors (~110)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		NMB certified TWU as bargaining representative for approximately 110 pilot ground training instructors; negotiations ongoing.
2000-03-31voluntary_separationannounced2,5002000-03-012000-04-14USD 85 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Early retirement medical option offered March 1 to April 14, 2000. Approximately 2,500 employees elected. Expected one-time charge of $80 to $90 million recorded in June 2000 quarter.
1999-12-31acquisition_additioncompleted1999-10-172000-01-11United States (Kentucky)Delta Connection regional operations (Comair)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tender offer at $23.50/share expired 1999-11-19 raising ownership to ~90%; merger completed 2000-01-11. Comair results consolidated from 1999-11-22. Employee headcount added not disclosed; filing notes average FTE rose to 72,000 partly from ASA and Comair employees.
1999-12-31voluntary_separationannounced2000-01-122000-04-14United StatesDelta domestic employees (eligible participants)USD 125 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Early retirement medical option offered 2000-03-01 through 2000-04-14; eligible retirees keep medical coverage without certain early-retirement premiums. Expected one-time charge of $125-135 million, size varies with participation.
1999-12-31otherin_progress11,0001999-12-212000-03-03United StatesRamp and cargo employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		NMB authorized union representation election for TWU covering approximately 11,000 ramp and cargo employees; ballots mailed 2000-01-28, result expected 2000-03-03. Count is bargaining-unit size, not separations.
1999-12-31othercompleted1999-11-292000-01-01United StatesDelta pilots (ALPA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilots ratified agreement setting pay rates and working conditions for B-777 and B-767-400 aircraft; effective 2000-01-01 it converted a 6% profit-sharing payout to a 6% pay increase and added a 3% increase for most other pilots. Pilot count not disclosed.
1999-12-31otherin_progress1999-12-16United States (Kentucky)Comair pilots (ALPA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Comair sued ALPA over an unlawful pilot job action; U.S. District Court issued a preliminary injunction on 1999-12-21 restraining disruption of operations. Comair also in negotiations with IAM (tentative agreement rejected late Dec 1999) and IBT.
1999-12-31othercompleted1101999-10-26United StatesPilot ground training instructorsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		NMB certified TWU as bargaining representative for approximately 110 Delta pilot ground training instructors.
1999-12-31voluntary_separationannounced2000-01-122000-04-14DomesticEligible Delta employeesUSD 130 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Early retirement medical option announced Jan 12, 2000. Expected one-time charge of $125-$135 million. Charge size varies by participation.
1999-09-30restructuringcompleted1999-09-30United StatesAdministrative processes; sales offices and stationsUSD 16 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Decision made during the September 1999 quarter to streamline administrative processes and close certain sales offices and stations; $16M pretax charge for employee severance benefits and lease termination costs. Headcount affected not disclosed.
1999-09-30acquisition_additionannounced1999-10-171999-11-19United StatesComair Holdings, Inc. (Delta Connection regional carrier)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tender offer at $23.50/share for all Comair shares not already owned by Delta (Delta held ~22%); total funds required estimated at ~$1.8 billion. Headcount added not disclosed.
1999-09-30othercompleted1071999-10-31United StatesPilot ground training instructorsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In October 1999 the National Mediation Board certified election of the Transport Workers Union to represent Delta's 107 pilot ground training instructors.
1999-09-30otherin_progress1999-09-08United StatesPilots (ALPA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Negotiations began September 8, 1999 for a new collective bargaining agreement replacing the contract amendable May 2, 2000. Separately, a tentative agreement on B-777 and B-767-400 pilot pay and working conditions was reached in September 1999, pending ratification vote expected December 1999.
1999-09-30restructuringcompleted1999-09-30Administrative processes and sales officesUSD 16 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Management decision to streamline administrative processes and close certain sales offices and stations. Charge includes employee severance benefits and lease termination costs. Specific headcount not disclosed.
1999-06-30acquisition_additioncompleted2,5001999-02-161999-05-11United StatesRegional airline operations (Southeast and Dallas-Fort Worth)USD 700 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition of ASA Holdings (parent of Atlantic Southeast Airlines) for approximately $700 million. Approximately 2,500 ASA full-time equivalent personnel added. Tender offer completed March 1999; merger completed May 11, 1999. Goodwill of approximately $508 million recorded.
1999-06-30acquisition_additioncompleted2,5001999-02-161999-05-11United StatesAtlantic Southeast Airlines (ASA)Item_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Acquisition of ASA Holdings, Inc. completed May 11, 1999. Added 2,500 full-time equivalent personnel.
1999-03-31acquisition_additioncompleted1999-02-161999-05-11United StatesRegional airline operations (Delta Connection — Atlantic Southeast Airlines)USD 475 (millions)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tender offer at $34.00/share expired 1999-03-19, raising Delta's ownership to about 91%; merger completed 1999-05-11. ASA balance sheet consolidated at 1999-03-31 and results consolidated from 1999-04-01. Headcount added not disclosed; $475 million is goodwill (cost in excess of net assets acquired), not a severance charge.
1999-03-31otherin_progress1999-02-01United StatesPilots — B-777 pay rate negotiationsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Negotiations began February 1999 (day not specified). ALPA plans to request pilots not fly B-777s after the six-month period post-service entry; pilots scheduled to vote in May 1999 on a 3.5% pay assessment contingency fund. Delta deferred four B-777 deliveries to fiscal 2005 in April 1999 partly due to lack of progress. Employees affected not quantified.
1999-03-31otherin_progress1999-04-23United StatesPilots — Delta Shuttle (Boston–Washington, D.C.)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA sued Delta in E.D.N.Y. alleging use of Comair regional jets and non-Delta pilots for the Shuttle violates the Railway Labor Act status quo; injunction sought. Shuttle scheduled to begin 1999-06-01. Delta views the complaint as without merit.
1999-03-31otherin_progress1999-03-10United StatesPilot ground training instructorsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board notified Delta of a Transport Workers Union application to represent approximately 110 pilot ground training instructors; investigation under way, outcome undetermined.
1999-03-31othercompleted1998-12-181999-01-01United StatesFlight superintendentsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New collective bargaining agreement with the Professional Airline Flight Controllers Association covering approximately 210 flight superintendents; effective 1999-01-01 with pay increases, amendable 2003-01-01.
1999-03-31othercompleted1998-10United StatesPilots — B-737 pay ratesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Delta pilots approved the B-737 Agreement in October 1998 (60% of those voting in favor), setting pay rates for B-737 new equipment. Announcement day not specified.
1999-03-31otherin_progress1998-11United StatesASA Holdings — dispatchersother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		NMB certified the Transport Workers Union as bargaining representative for approximately 30 ASA dispatchers in November 1998; initial contract negotiations not yet begun. ASA pilots and flight attendants (about 24% of ASA workforce) remain represented by ALPA and AFA with agreements amendable September 2002.
1999-03-31acquisition_additioncompleted1999-02-161999-05-11United StatesAllbusiness_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Delta acquired ASA Holdings. Results consolidated effective April 1, 1999. Headcount not explicitly disclosed in acquisition footnote, but included in total FTE average.
1999-03-31otherin_progress1999-02-01United StatesPilotsother
f5-10q / Qwen3.6-27B-Q8_0		Negotiations ongoing for B-777 Pay Rates. ALPA may request pilots not to fly B-777s after six months if no agreement reached.
1999-03-31otherannounced1101999-03-10United StatesPilot Ground Training Instructorsother
f5-10q / Qwen3.6-27B-Q8_0		NMB received application from Transport Workers Union of America seeking to represent approximately 110 pilot ground training instructors.
1998-12-31othercompleted1998-10-16United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ratification of the B-737 Agreement setting pay rates for B-737-600/700/800 and leased B-737-300 aircraft. Agreement reached with ALPA on June 23, 1998; approved by pilots on October 16, 1998 with 60% of those voting in favor. No affected-employee count or charge disclosed.
1998-12-31othercompleted2101998-12-181999-01-01United StatesFlight Superintendentsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New collective bargaining agreement with the Professional Airline Flight Controllers Association covering approximately 210 flight superintendents, replacing the agreement amendable January 1, 1999. Provides certain pay increases; effective January 1, 1999 and amendable January 1, 2003 (date shown is the effective date).
1998-12-31otherannounced1998-121999-01-01United StatesMost domestic noncontract employees; pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced during the December 1998 quarter, effective January 1, 1999: broad-based profit sharing discontinued, the maximum 6% of base salary payout converted to a 6% base salary increase, plus an additional 2% base salary increase. A 6% profit sharing payment for July 1 – December 31, 1998 was made in January 1999. ALPA accepted similar changes for pilots. No affected-employee count disclosed.
1998-12-31otherannounced1999-01United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent-event labor development: in January 1999 ALPA and the Company agreed to begin negotiations on a new collective bargaining agreement earlier than the March 2000 contractual window — at the earlier of September 1999 or agreement on B-777-200 pay rates.
1998-12-31otherannounced1999-02United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent-event labor development: negotiations with ALPA on pay rates for the B-777-200 began in February 1999; outcome not determinable. First B-777-200 delivery expected to begin March 1999. B-767-400 pay rate negotiations to begin at a later date, with first delivery scheduled May 2000.
1998-09-30othercompleted1998-10-16United StatesPilots (B-737-600/700/800 and certain B-737-300 aircraft)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA announced pilot ratification of the June 23, 1998 agreement on pay, rules and working conditions for new 737 fleet types; no affected-employee count or charge disclosed. Further ALPA talks on B-777-200 terms scheduled for January 1999.
1998-06-30restructuringcompletedUSD 52 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Pretax restructuring and other non-recurring charges related to the realignment of transatlantic and European operations. Employee count not disclosed.
1998-03-31otherin_progress1997-10-01United StatesFlight Operations (Pilots)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA negotiations over pay rates for new aircraft types (B-737-600/700/800, B-737-300); pilots authorized 1% gross pay assessment for up to nine months to fund a contingency fund; ALPA may request pilots not fly new types after six months if rates not agreed
1998-03-31restructuringin_progressUSD 39 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Remaining restructuring accrual balance of $39M at March 31, 1998 from prior-year programs (Leadership 7.5 Workforce Reductions, Abandoned Facilities, Transatlantic/European Realignment); $4M reduced during quarter; no employee counts disclosed
1998-03-31restructuringin_progressUSD 4 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Reductions in reserves for prior fiscal year restructuring charges (Leadership 7.5 Workforce Reductions, Abandoned Facilities, Transatlantic/European Realignment, Other). No employee counts disclosed for current quarter activity.
1997-12-31restructuringin_progressTransatlantic and EuropeWorkforce ReductionsUSD 27 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Transatlantic and European Realignment workforce reduction accrual fully paid down from $27M to $0 during the December 1997 quarter; no employee count disclosed
1997-12-31restructuringin_progressUnited StatesLeadership 7.5 Workforce ReductionsUSD 4 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Leadership 7.5 workforce reduction accrual of $4M remained outstanding at quarter-end with no activity during the quarter; no employee count disclosed
1997-12-31otherin_progress1997-10-01United StatesPilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA announced plans to request pilots not fly new equipment types (B-737-600/700/800, B-737-300) after six months in service unless pay rates agreed; pilots authorized 1% gross pay assessment for contingency fund
1997-12-31othercompleted1997-11-18United StatesFlight Superintendentsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New collective bargaining agreement entered with Professional Airline Flight Control Association covering approximately 190 flight superintendents; contract becomes amendable January 1, 1999
1997-12-31othercompleted1997-12-09United StatesFleet Service Employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		National Mediation Board dismissed TWU application to represent approximately 10,000 fleet service employees due to insufficient authorization cards (below 35% threshold)
1997-12-31restructuringin_progressLeadership 7.5 Workforce ReductionsUSD 4 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance at Dec 31, 1997; no reductions in reserve during quarter.
1997-12-31restructuringin_progressAbandoned FacilitiesUSD 36 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance at Dec 31, 1997; $1M reduction in reserve during quarter.
1997-12-31restructuringcompletedTransatlantic and EuropeanRealignment Workforce ReductionsUSD 0 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance reduced to zero; $27M reduction in reserve during quarter.
1997-12-31restructuringin_progressOtherUSD 1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance at Dec 31, 1997; $3M reduction in reserve during quarter.
1997-09-30restructuringin_progressLeadership 7.5 Workforce ReductionsUSD 4 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance at September 30, 1997. No employee count disclosed.
1997-09-30restructuringin_progressAbandoned FacilitiesUSD 37 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance at September 30, 1997. No employee count disclosed.
1997-09-30restructuringin_progressTransatlantic and European Realignment Workforce ReductionsUSD 27 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance at September 30, 1997. No employee count disclosed.
1997-09-30restructuringin_progressAbandoned FacilitiesUSD 2 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance at September 30, 1997. No employee count disclosed.
1997-09-30restructuringin_progressOtherUSD 4 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Balance at September 30, 1997. No employee count disclosed.
1997-06-30restructuringin_progress6801997-03-31Europe (Frankfurt and other European locations)Transatlantic and European operationsUSD 45 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Part of $52M total pretax charge for transatlantic/European realignment; $45M for personnel severance (680 employees), $5M Frankfurt reorganization, $2M abandoned facilities. Announced during March 1997 quarter. $39M of workforce reduction accrual remained at fiscal year-end.
1997-06-30restructuringcompleted6801997-03-31Transatlantic and European operationsVariousUSD 52 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Realignment of transatlantic and European operations. Includes $45M personnel severance for approx. 680 employees, $5M Frankfurt reorganization, and $2M abandoned facilities.
1997-06-30voluntary_separationcompleted500United StatesPilotsUSD 273 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Pilot special early retirement program. Charge recorded in fiscal 1996; all 500 pilots retired during fiscal 1997.
1997-03-31restructuringannounced1997-01-071997-06-30Europe (Frankfurt, Germany) and transatlantic operationsTransatlantic and European operationsUSD 52 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pre-tax charge comprises $45M personnel severance, $5M Frankfurt reorganization, $2M abandoned facilities. Actions scheduled April–June 1997; expected to improve system operating income by ~$62M annually. No employee headcount disclosed.
1997-03-31voluntary_separationin_progressUnited StatesPilotsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilot Special Early Retirement Program: accrual balance declined from $13M (Dec 31, 1996) to $5M (Mar 31, 1997) via $8M of payments/settlements during the quarter. Legacy program; no employee count or announcement date disclosed.
1997-03-31restructuringin_progress1997-01-071997-06-30Transatlantic and European operationsTransatlantic and European operationsUSD 52 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Pre-tax charges of $52 million recorded in Q3 1997 for realignment of transatlantic and European operations. Includes $45M personnel severance, $5M Frankfurt reorganization, $2M abandoned facilities. Actions scheduled for implementation between April 1997 and June 1997.
1996-12-31restructuringannounced1997-01-071997-06-30International (increased JFK operations, decreased Frankfurt operations)International operationsUSD 60 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pre-tax charges of up to $60M primarily for personnel severance; actions scheduled April–June 1997; expected to improve system operating income by ~$62M annually. Employee count not disclosed.
1996-12-31restructuringin_progressLeadership 7.5 program — Workforce Reductions, Abandoned Facilities, Pilot Special Early Retirement ProgramUSD 7 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ongoing program from prior fiscal years; $7M in payments during the six months ended Dec 31, 1996; remaining accrual balance of $57M at quarter-end. No employee counts disclosed for the current period.
1996-12-31restructuringin_progressUSD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Payments of $7 million made during the quarter for Leadership 7.5, Workforce Reductions, Abandoned Facilities, and Pilot Special Early Retirement Program.
1996-12-31restructuringannounced1997-01-071997-06-30International operationsUSD 60 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Announced actions to strengthen international operations, primarily consisting of personnel severance charges.
1996-06-30restructuringin_progress1,2001994-04-011997-06-30United StatesCompany-wideUSD 829 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Leadership 7.5 program; 1,200 personnel reduced during FY1996 (cumulative program reduced ~9,200 in FY1995 and 1,200 in FY1996). FY1996 charge of $829M includes $65M for non-pilot workforce reductions affecting approximately 525 employees with pension/postretirement curtailment impacts.
1996-06-30voluntary_separationin_progress5001996-06-301997-06-30United StatesPilotsUSD 273 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Special early retirement program for approximately 500 pilots; charge recorded in FY1996, retirements expected during FY1997; actual timing dependent on operational needs
1996-06-30restructuringcompleted1,2001994-04-01United StatesNon-pilot workforceUSD 65 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Continuation of Leadership 7.5 program. Includes pension curtailment losses, special termination benefits, and severance. Net of reversals.
1996-06-30voluntary_separationannounced5001996-04-241997-06-30United StatesPilotsUSD 273 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Special early retirement program for pilots. Retirements expected during fiscal 1997.
1996-03-31restructuringin_progress1996-03-31United StatesNon-pilot workforce; L-1011 fleet operationsUSD 556 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Includes $452M L-1011 fleet write-down and $104M for Leadership 7.5 cost reduction program covering non-pilot workforce reductions, lease terminations, discontinued routes, and abandoned facilities. No employee count disclosed.
1996-03-31voluntary_separationannounced5001996-04-29United StatesPilotsUSD 300 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Enhanced early retirement program for up to 500 pilots under new ALPA agreement. Approximately $300M pretax charge expected in June 1996 quarter. Count is maximum, not confirmed.
1996-03-31otherannounced8,0001996-04-291996-05-01United StatesPilotssubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New four-year collective bargaining agreement with ALPA covering approximately 8,000 pilots, effective May 1, 1996. Includes 2% base salary reduction for four years, productivity improvements, and code-sharing restrictions. Estimated savings of ~$100M in FY1997 rising to ~$230M in FY1999-2000.
1996-03-31restructuringcompleted1996-03-31Non-pilot workforceUSD 104 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of $556M total pretax charge. Includes non-pilot workforce reductions, lease terminations, and discontinued route costs. Net of $45M reversals.
1996-03-31voluntary_separationannounced5001996-04-29PilotsUSD 300 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Enhanced early retirement program for up to 500 pilots under new collective bargaining agreement. Expected one-time pretax charge of approx $300M in June 1996 quarter.
1995-12-31restructuringin_progress1997-06-30United StatesCompany-wideUSD 650 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program targets ~$2B annual operating expense reduction by end of June 1997 quarter; potential pre-tax charges up to $650M in March 1996 quarter. No employee count disclosed.
1995-12-31otherin_progress1995-01-01United StatesPilots (ALPA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		ALPA contract amendable 1995-01-01; tentative agreement Dec 1995 on select matters; strike ballot distributed 1996-01-31. ALPA represents ~8,000 pilots.
1995-12-31restructuringannounced1996-01-311997-06-30USD 650 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Leadership 7.5 cost reduction program and fleet evaluation; pre-tax charges up to $650 million expected in March 1996 quarter.
1995-12-31otherin_progress8,0001994-11-01United StatesPilotsother
f5-10q / Qwen3.6-27B-Q8_0		Collective bargaining negotiations with ALPA representing approximately 8,000 pilots; tentative agreement reached on certain matters.
1995-09-30restructuringin_progressUnited StatesCompany-wideMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Workforce reductions under Leadership 7.5 drove an 11% reduction in FTEs (65,133 to 58,007) and a 9% decline in salaries and related costs. No specific headcount affected or charge disclosed.
1995-09-30otherin_progress1994-11-01United StatesPilots and Flight Superintendentsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Collective bargaining negotiations with ALPA (~8,100 pilots) and PAFCA (~170 flight superintendents) began November 1994; agreements became amendable January 1, 1995. Outcome not determinable.
1995-09-30restructuringin_progress11%MD&A
f5-10q / Qwen3.6-27B-Q8_0		11% reduction in full-time equivalent employees due to workforce reductions under the Leadership 7.5 program.
1995-09-30otherin_progress8,270Pilots and Flight Superintendentsother
f5-10q / Qwen3.6-27B-Q8_0		Formal negotiations with ALPA (approx. 8,100 pilots) and PAFCA (170 flight superintendents) began in November 1994; outcome cannot presently be determined.
1995-06-30restructuringin_progress9,2001994-04-281997-06-30United States and internationalCompany-wideUSD 438 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Leadership 7.5 program; charge recorded in fiscal 1994 for reductions expected in fiscal 1995; actual FY1995 reduction of ~9,200 includes transfer of ~1,200 employees to TransQuest and WORLDSPAN; cash payments of ~$30M in FY1995 with ~$52M remaining for FY1996
1995-06-30othercompleted1,2001994-12-011995-06-30United StatesInformation Technologyrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Transfer of approximately 1,200 employees to TransQuest joint venture and WORLDSPAN as part of Leadership 7.5; included within the ~9,200 total reduction
1995-06-30restructuringcompleted9,2001994-04-28United StatesVariousUSD 438 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Leadership 7.5 program. Includes workforce reductions of approx 8,700 employees and transfer of approx 1,200 employees to TransQuest and WORLDSPAN. Charge recorded in FY1994.
1995-06-30voluntary_separationcompleted1,5001993-11-01United StatesVariousUSD 112 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Early retirement program. Employees elected to retire effective Nov 1, 1993. Charge recorded in FY1994.