Alaska Airlines (ALK)

Company ID: 77 | CIK: 0000766421
10-Q view:
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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

Business Unit / Product Segments

Major Customers (% of Revenue)

No major-customer concentration data found.

Operational KPIs

Yield per passenger mile (arpu)

Available seat miles (asm)

Firm order payments (backlog)

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Capacity by region (capacity)

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Employee engagement (engagement)

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Regional fleet (fleet_size)

Aircraft utilization (fleet_utilization)

Headcount (headcount)

Breakeven load factor (load_factor)

On-time performance (on_time_delivery)

Firm aircraft orders (order_book)

Firm aircraft orders (orders_received)

ASM per gallon (other)

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ASM's per gallon (other)

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ASMs per fuel gallon (other)

ASMs per gallon (other)

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Adjusted cash burn (other)

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Aircraft Options (other)

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Aircraft additions (other)

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Aircraft fuel cost per ASM (other)

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Aircraft fuel cost per gallon (other)

Aircraft on firm order (other)

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Aircraft purchase options (other)

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Aircraft utilization (other)

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Available liquidity (other)

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Average FTE employees (other)

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Average FTEs (other)

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Average aircraft age (other)

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Average aircraft stage length (other)

Average fleet age (other)

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Average fuel cost per gallon (other)

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Average passenger trip length (other)

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Average stage length (other)

Average trip length (other)

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Award tickets redeemed (other)

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Awards eligible for redemption (other)

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Breakeven load factor (other)

CASM (other)

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CASM (total) (other)

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CASM ex fuel (other)

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CASM ex fuel and special items (other)

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CASM excluding fuel (other)

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CASM excluding fuel and noted items (other)

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CASM excluding fuel and significant items (other)

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CASM excluding fuel and special items (other)

CASMex (other)

CASMex (unit cost ex-fuel and special items) (other)

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Capacity by market (other)

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Capacity by region (other)

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Capacity share by region (other)

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Cities served (other)

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Common Shares Outstanding (other)

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Common shares outstanding (other)

Connecting passenger share (other)

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Connecting passengers (other)

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Cost per ASM excluding fuel (other)

Daily departures (other)

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Debt-to-capitalization ratio (other)

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Departures (other)

Destinations served (other)

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Direct sales mix (other)

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Direct sales share (other)

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Direct web sales share (other)

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Direct website sales share (other)

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Direct website ticket sales share (other)

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Direct-to-customer sales (other)

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Direct-to-customer sales mix (other)

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Economic fuel cost (other)

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Economic fuel cost per gallon (other)

Eligible flight awards (other)

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Eligible flight awards for redemption (other)

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Eligible round-trip flight awards (other)

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Employee productivity (other)

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Estimated flight awards to be redeemed (other)

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Expense per ASM excluding fuel (other)

Firm aircraft order value (other)

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Firm order value (other)

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Flight awards eligible (other)

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Flight awards eligible for redemption (other)

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Flight awards redeemable (other)

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Flight awards redeemed (other)

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Flight awards redeemed and flown (other)

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Flight completion rate (other)

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Frequent flyer awards redeemed (other)

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Frequent flyer miles outstanding (other)

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Frontier JetExpress capacity share (other)

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Frontier JetExpress revenue share (other)

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Frontier JetExpress share (other)

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Frontier JetExpress share of Horizon capacity (other)

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Fuel Cost Per Gallon (other)

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Fuel Gallons (other)

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Fuel Hedging Savings (other)

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Fuel as percent of operating expenses (other)

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Fuel consumed (other)

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Fuel consumption (other)

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Fuel consumption hedged (other)

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Fuel cost per gallon (other)

Fuel efficiency (other)

Fuel efficiency (ASMs per gallon) (other)

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Fuel gallons (other)

Fuel gallons consumed (other)

Fuel gallons hedged (other)

Fuel hedge ceiling price (other)

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Fuel hedge coverage (other)

Fuel hedge fair value (other)

Fuel hedge floor price (other)

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Fuel hedge gallons (other)

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Fuel hedge portfolio value (other)

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Fuel hedged (other)

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Fuel hedged gallons (other)

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Fuel hedged volume (other)

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Fuel index price (other)

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GAAP fuel cost per gallon (other)

Hedge Agreements Coverage (other)

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Hedged jet fuel volume (other)

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Horizon passengers connecting to Alaska (other)

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Incentive pay (other)

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Jet fuel consumed (other)

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Jet fuel gallons consumed (other)

Jet fuel hedge coverage (other)

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Jet fuel hedged (other)

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Labor as percent of operating expenses (other)

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Loyalty breakage rate (other)

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Loyalty miles outstanding (other)

Loyalty points outstanding (other)

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Loyalty revenue share (other)

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Mainline ASMs per fuel gallon (other)

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Mainline Average aircraft stage length (other)

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Mainline CASM excluding fuel (other)

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Mainline Economic fuel cost per gallon (other)

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Mainline Fuel gallons (other)

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Mainline Operating expense per ASM excluding fuel (other)

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Mainline PRASM (other)

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Mainline Passenger revenue per ASM (other)

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Mainline RASM (other)

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Mainline Revenue per ASM (other)

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Mainline Yield (other)

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Mainline aircraft temporarily grounded (other)

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Mainline aircraft utilization (other)

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Mainline traffic by market (other)

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Mileage Plan awards eligible for redemption (other)

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Mileage Plan awards redeemed (other)

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Mileage Plan breakage rate (other)

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Mileage Plan liability (other)

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Mileage Plan miles outstanding (other)

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Mileage Plan revenue (other)

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Mileage credits outstanding (other)

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Miles and points outstanding (other)

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Monthly cash burn rate (other)

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New markets added (other)

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Number of Reportable Segments (other)

Operating Expenses per ASM (other)

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Operating cost per ASM (other)

Operating cost per ASM excluding fuel (other)

Operating expense per ASM (other)

Operating expense per ASM (CASM) (other)

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Operating expense per ASM ex-fuel (other)

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Operating expense per ASM excluding fuel (other)

Operating expense per ASM excluding fuel and fleet transition (other)

No 10-K data

Operating expense per ASM excluding fuel and special items (other)

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Operating expenses per ASM (other)

Operating expenses per ASM excluding fuel (other)

Operating expenses per ASM excluding fuel and impairment (other)

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Operating revenue per ASM (other)

Operating revenue per ASM (RASM) (other)

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Operating revenues per ASM (other)

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Outstanding loyalty points (other)

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PRASM (other)

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Passenger connect rate (other)

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Passenger revenue per ASM (other)

Passenger revenue per ASM (PRASM) (other)

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Passenger revenues per ASM (other)

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Passenger traffic by market (other)

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Passenger unit revenue (other)

Passenger yield (other)

Passenger yield per mile (other)

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Pension funded status (other)

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Pension plan assets (other)

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RASM (other)

RASM (unit revenue) (other)

RPM mix by region (other)

No 10-Q data

RPM traffic mix (other)

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Raw fuel cost per gallon (other)

Recyclables diverted (other)

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Redeemable flight awards (other)

No 10-Q data

Regional PRASM (other)

No 10-K data

Regional Passenger revenue per ASM (other)

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Regional Yield (other)

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Regional average stage length (other)

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Regional traffic by market (other)

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Return on invested capital (other)

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Revenue per ASM (other)

Round-trip awards redeemed (other)

No 10-Q data

Round-trip flight awards redeemed (other)

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Sales by channel (other)

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Sales by direct channel (other)

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Sales by distribution channel (other)

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Schedule completion rate (other)

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Shareholders of record (other)

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Shares outstanding (other)

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Ticket Sales Channel (other)

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Ticket sales by channel (other)

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Ticket sales channel share (other)

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Ticket sales through Internet web site (other)

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Ticket sales through travel agents (other)

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Ticket sales via Alaska website (other)

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Ticket sales via Internet (other)

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Ticket sales via internet (other)

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Ticket sales via traditional travel agents (other)

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Ticket sales via travel agents (other)

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Ticket sales via website (other)

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Total CASM (other)

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Total unit cost (CASM) (other)

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Total unit revenue (other)

Travel credits outstanding (other)

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U.S. domestic passenger traffic share (other)

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U.S. domestic traffic share (other)

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US domestic traffic share (other)

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Unencumbered aircraft (other)

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Union representation (other)

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Union represented employees (other)

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Union-represented employees (other)

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Unionized employees (other)

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Unionized workforce (other)

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Unit cost CASMex (other)

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Unit cost ex fuel and special items (other)

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Unit cost excluding fuel (other)

Unit cost excluding fuel (CASMex) (other)

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Unit cost excluding fuel and special items (other)

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Unit revenue (other)

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Unit revenue (RASM) (other)

Unit revenue RASM (other)

No 10-Q data

Web ticket sales share (other)

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Website annual ticket sales (other)

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Website sales (other)

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Wi-Fi equipped fleet (other)

No 10-Q data

Yield (other)

Yield (passenger revenue per RPM) (other)

No 10-Q data

Yield per Passenger Mile (other)

No 10-Q data

Yield per passenger mile (other)

Revenue passengers (passengers)

Fuel gallons consumed (production_volume)

Revenue passenger miles by region (rpm)

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

No 10-Q data
No 10-Q data

Demographics

No demographic data found.

Workforce Breakdowns

HCM Metrics — Point-in-Time

No 10-Q data

HCM Metrics — Flow (Annual / YTD)

No 10-Q data

Workforce Actions

Period EndTypeStatusAffected% WorkforceAnnouncedExpected CompletionGeographySegment / FunctionChargeSourceNote
2026-06-30restructuringin_progressUnited StatesAir Group — Hawaiian Airlines integrationUSD 77 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Hawaiian integration special items of $77M YTD ($42M in Q2), covering employee-related costs, technology costs for the single passenger service system transition, and other merger costs. No affected-employee count, severance-only split, or completion date disclosed; charge is not exclusively workforce-related.
2025-12-31othercompleted7,164United StatesAlaska Airlines – Flight attendants (AFA)MD&A
f5-10k / GLM-5.3-flash-HTML		New three-year collective bargaining agreement ratified in 2025. Headcount per Item 1 union contract table (contract amendable 2028-02-28). Related 2025 special items of $57 million for labor and other, primarily Alaska flight attendant sick leave benefit changes.
2025-12-31othercompleted2,507United StatesHawaiian Airlines – Flight attendants (AFA)MD&A
f5-10k / GLM-5.3-flash-HTML		Three-year extension of existing collective bargaining agreement ratified in 2025. Headcount per Item 1 union contract table (amendable 2028-02-28).
2025-12-31othercompleted184United StatesHorizon Air – Mechanics and related classifications (AMFA)MD&A
f5-10k / GLM-5.3-flash-HTML		Four-year collective bargaining agreement ratified in 2025. Headcount per Item 1 union contract table (amendable 2029-05-10).
2025-12-31othercompleted2,897United StatesMcGee Air Services – Fleet and ramp service (IAM)MD&A
f5-10k / GLM-5.3-flash-HTML		Five-year collective bargaining agreement ratified in 2025. Headcount per Item 1 union contract table (amendable 2030-07-19).
2025-12-31acquisition_additioncompleted2024-09-182024-09-18United StatesHawaiian AirlinesItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Acquisition of Hawaiian Holdings, Inc. completed on September 18, 2024. Hawaiian results included in 2025 headcount.
2025-09-30othercompleted2025-09-30United StatesMcGee Air Services (ground services)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM-represented McGee Air Services employees ratified a five-year collective bargaining agreement during the quarter; exact ratification date and employee count not disclosed.
2025-09-30otherin_progress2025-09-30United StatesHorizon Air — pilots, flight attendants, dispatchersMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon negotiating updated collective bargaining agreements with pilots (IBT), flight attendants (AFA), and dispatchers (TWU); a National Mediation Board mediator is participating with AFA and TWU. Counts not disclosed.
2025-09-30otherin_progress2025-09-30United StatesAlaska Airlines and Hawaiian Airlines — joint collective bargaining agreementsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska and Hawaiian pursuing joint collective bargaining agreements for workgroups represented by common unions, with Transition and Process Agreements in place as interim arrangements. Counts not disclosed.
2025-06-30othercompletedUnited StatesHawaiian Airlines — flight attendants (Association of Flight Attendants)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Flight attendants ratified a three-year extension of their existing collective bargaining agreement during Q2 2025; exact ratification date not disclosed. Affected-employee count not disclosed.
2025-06-30othercompletedUnited StatesHorizon Air — technicians (Aircraft Mechanics Fraternal Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Technicians ratified a four-year collective bargaining agreement during Q2 2025; exact ratification date not disclosed. Affected-employee count not disclosed.
2025-06-30otherannounced2025-08-15United StatesMcGee Air Services — employees represented by International Association of Machinists and Aerospace Workersother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement for a new five-year agreement reached after quarter end; ratification vote expected mid-August 2025. Announcement date not disclosed.
2025-06-30otherin_progressUnited StatesAlaska Airlines and Hawaiian Airlines — workgroups represented by common unionsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Company is working toward joint collective bargaining agreements; Transition and Process Agreements set interim terms until agreements are reached. No counts or dates disclosed.
2025-03-31othercompletedUnited StatesAlaska Airlines — Flight Attendants (AFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska flight attendants ratified a new three-year collective bargaining agreement during Q1 2025 with wage increases and benefit improvements. Related sick-leave benefit change costs of $51 million (labor and other) were recorded as special items in Q1 2025.
2025-03-31otherin_progressUnited StatesHorizon Air — Pilots (IBT) and Flight Attendants (AFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon in active negotiations for updated collective bargaining agreements with its pilots and flight attendants as of quarter end.
2025-03-31otherannouncedUnited StatesHorizon Air — Technicians (AMFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent to quarter end, Horizon technicians ratified a four-year collective bargaining agreement.
2025-03-31otherannouncedUnited StatesHawaiian Airlines — Flight Attendants (AFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent to quarter end, Hawaiian flight attendants ratified a three-year extension of their existing collective bargaining agreement. Joint collective bargaining agreements are being pursued for workgroups represented by common unions at Alaska and Hawaiian.
2025-03-31othercompleted2025-03-31United StatesAlaska AirlinesUSD 51 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Ratification of new three-year Collective Bargaining Agreement for Alaska flight attendants including wage increases and sick leave benefit changes.
2025-03-31othercompleted2025-04-30United StatesHorizon AirMD&A
f5-10q / Qwen3.6-27B-Q8_0		Horizon technicians ratified a four-year Collective Bargaining Agreement subsequent to quarter end.
2025-03-31othercompleted2025-04-30United StatesHawaiian AirlinesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Hawaiian flight attendants ratified a three-year extension of their existing Collective Bargaining Agreement subsequent to quarter end.
2024-12-31acquisition_additioncompleted7,3622024-09-18United States (Hawai'i-based operations)Hawaiian AirlinesUSD 93 (millions)Item_1_Business
f5-10k / GLM-5.3-flash-HTML		Air Group completed the Hawaiian Holdings acquisition on 2024-09-18. Count is Hawaiian's active employees at 2024-12-31 as reported within Air Group; headcount added at closing not separately disclosed. Charge is the employee-related and other merger costs component of $208M 2024 integration costs; $41M of the $977M purchase consideration covered change-in-control payments and settled awards.
2024-12-31othercompleted1,0602024United StatesAlaska — Technicians and related (AMFA)Item_1_Business
f5-10k / GLM-5.3-flash-HTML		Alaska technicians represented by AMFA ratified a new five-year CBA in 2024 with wage increases; union table shows 1,060 covered employees, amendable 2028-10-17.
2024-12-31othercompleted3,4012024United StatesAlaska — Pilots (ALPA)Item_1_Business
f5-10k / GLM-5.3-flash-HTML		Alaska pilots represented by ALPA ratified a two-year extension of the existing CBA in 2024; union table shows 3,401 covered pilots, amendable 2027-03-02.
2024-12-31otherannounced6,9272025-01United StatesAlaska — Flight attendants (AFA)USD 73 (millions)subsequent_events
f5-10k / GLM-5.3-flash-HTML		Tentative agreement for an updated flight attendant CBA reached January 2025; ratification vote expected to conclude in Q1 2025. $73M recorded in 2024 special items - operating was retroactive pay for Alaska flight attendants under this agreement.
2024-12-31acquisition_additioncompleted7,3622024-09-18United States (Hawai'i and U.S. mainland)Hawaiian Airlinesbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition closed 2024-09-18 for $977M total consideration; count shown is Hawaiian's employee headcount at 2024-12-31, not a closing-date figure. Merger-related costs of $208M recorded in 2024 (Special items — operating) were legal/professional fees and change-in-control/employee costs, not disclosed as severance for headcount reductions.
2024-12-31acquisition_additioncompleted7,3622024-09-182024-09-18United StatesHawaiian AirlinesItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Acquisition of Hawaiian Holdings, Inc. completed September 18, 2024. Headcount reflects employees as of Dec 31, 2024.
2024-09-30acquisition_additioncompleted2024-09-18United States (Hawai'i, West Coast)Hawaiian Airlinesbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition closed 2024-09-18; Hawaiian results consolidated from that date. No employee count disclosed for the acquired workforce.
2024-09-30othercompletedUnited StatesAlaska Airlines — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska pilots (ALPA) ratified a two-year extension of their existing collective bargaining agreement.
2024-09-30otherin_progressUnited StatesAlaska Airlines — flight attendantsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Second-quarter tentative agreement with AFA flight attendants was not ratified; negotiations ongoing. Retroactive pay accrual of $30M for nine months ended 2024-09-30 classified as a special item.
2024-09-30otherin_progressUnited StatesHorizon Air — pilots, flight attendants, techniciansMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon in negotiations for updated CBAs with IBT pilots, AFA flight attendants, and AMFA technicians.
2024-09-30otherin_progressUnited StatesAlaska Airlines and Hawaiian Airlines — all represented work groupsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Transition protocol agreements being completed with labor groups; a fence between Alaska and Hawaiian union-represented employees remains pending operational integration and single operating certificate.
2024-09-30acquisition_additioncompleted2024-09-182024-09-18United StatesHawaiian AirlinesUSD 128 (millions)business_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Acquisition completed Sept 18, 2024. $128M merger-related costs incurred YTD, including employee-related costs (severance, change in control). Headcount not explicitly disclosed.
2024-09-30otherin_progress2024-06-01United StatesAlaska Airlines Flight AttendantsUSD 30 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Tentative agreement reached in Q2 for updated CBA did not pass; negotiations ongoing. $30M retroactive pay recorded in Q2.
2024-06-30otherannounced2024-06United StatesAlaska Airlines flight attendants (AFA-represented)USD 30 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative collective bargaining agreement reached with AFA-represented Alaska flight attendants; ratification vote expected mid-August 2024. A $30 million accrual approximating retroactive pay through June 30, 2024 was recorded in Special items - operating. No employee count disclosed.
2024-06-30otherin_progressUnited StatesHorizon Air — pilots (IBT), flight attendants (AFA), technicians (AMFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon disclosed ongoing CBA negotiations with three labor groups; no counts, dates, or charges disclosed.
2024-06-30otherin_progress2024-06-302024-08-15United StatesFlight AttendantsUSD 30 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Tentative agreement with flight attendants (AFA) reached in June 2024; $30M accrued for retroactive pay through June 30, 2024. Voting expected mid-August.
2024-03-31othercompletedUnited StatesAlaska Airlines — maintenance technicians (AMFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska technicians represented by AMFA ratified a new five-year collective bargaining agreement during Q1 2024, including wage increases and quality-of-life improvements; no ratification date or affected-employee count disclosed
2024-03-31otherin_progressUnited StatesAlaska Airlines — flight attendants (AFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska in negotiations with flight attendants represented by AFA for an updated CBA, with a National Mediation Board mediator involved
2024-03-31otherin_progressUnited StatesHorizon Air — pilots (Teamsters), flight attendants (AFA), technicians (AMFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon has initiated CBA negotiations with multiple labor groups; no counts or completion dates disclosed
2023-12-31acquisition_additionannounced2023-12-022025Company-wide (Hawaiian Holdings, Inc.)business_combinations_footnote
f5-10k / GLM-5.3-flash-HTML		Agreement to acquire Hawaiian Holdings for approximately $1.0 billion in cash plus assumed debt and lease obligations. Headcount impact not quantified; subject to shareholder approval and regulatory clearance, with closing expected in 2025.
2023-12-31othercompleted3,4732023United StatesMainline pilots (ALPA)USD 51 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Letters of Agreement executed with ALPA-represented Mainline pilots; one increased payouts of unused sick leave upon retirement, driving a one-time $51 million special charge (Special items - labor and related). Count reflects ALPA pilot headcount per CBA table; LOA-specific affected count not separately disclosed.
2023-12-31othercompleted2,3582023United StatesMcGee Air Services — fleet and ramp service (IAM)MD&A
f5-10k / GLM-5.3-flash-HTML		IAM-represented McGee fleet and ramp service employees ratified a new contract during 2023; next amendable 2025-07-19 per CBA table. Count is IAM bargaining-unit size per CBA table.
2023-12-31otherannounced98120242024-03United StatesAlaska — mechanics (AMFA)subsequent_events
f5-10k / GLM-5.3-flash-HTML		Disclosed in MD&A Labor Update as occurring subsequent to year end. Tentative agreement reached with AMFA on a new five-year CBA; employee voting expected to conclude in Q1 2024. Count is AMFA bargaining-unit size per CBA table.
2023-12-31acquisition_additionannounced2023-12-02United States (Hawaii)Consolidatedother
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Definitive agreement to acquire Hawaiian Holdings at $18.00 per share (~$1.0 billion cash) plus assumed debt and leases; no headcount impact disclosed. Filer expects closing in 2025 subject to shareholder approval and antitrust clearance.
2023-12-31restructuringin_progressUSD 0 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2023-09-30othercompletedUnited StatesMainline pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Under the existing ALPA collective bargaining agreement, Alaska's pilots underwent a market review in Q3 2023 and executed a Letter of Agreement for a one-time market rate adjustment increasing pay rates effective 2023-09-01. Exact execution date not disclosed; no employee count or charge disclosed.
2023-09-30otherin_progressUnited StatesMainline flight attendants (Association of Flight Attendants)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract became amendable in December 2022; Alaska is actively negotiating a new contract as of the filing date. No employee count or terms disclosed.
2023-09-30otherin_progressUnited StatesMainline mechanics (Aircraft Mechanics Fraternal Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract became amendable in October 2023; Alaska is actively negotiating a new contract. No employee count or terms disclosed.
2023-09-30otherin_progressUnited StatesHorizon pilots (International Brotherhood of Teamsters)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon is actively negotiating; contract becomes amendable in December 2024. No employee count or terms disclosed.
2023-06-30otherin_progressUnited StatesMainline flight attendants (Association of Flight Attendants)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska actively negotiating a new contract with mainline flight attendants represented by AFA; the contract became amendable in December 2022. No employee count or charge disclosed.
2023-06-30otherin_progressUnited StatesMainline mechanics (Aircraft Mechanics Fraternal Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska actively negotiating a new contract with mainline mechanics represented by AMFA; contract becomes amendable in October 2023. No employee count or charge disclosed.
2023-06-30otherin_progressUnited StatesHorizon pilots (International Brotherhood of Teamsters)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon actively negotiating a new contract with pilots represented by IBT; contract becomes amendable in December 2024. No employee count or charge disclosed.
2023-06-30othercompletedUnited StatesMainline pilots (ALPA)USD 51 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		One-time nonrecurring charge recorded in Q1 2023 under a Letter of Agreement with Alaska pilots (ALPA), adjusting accrued benefits for expected future cash payments of pilots' unused sick leave upon retirement. Charge appears in the six-month 2023 special items reconciliation, not in Q2 2023 results.
2023-03-31othercompleted2023-01-31United StatesMcGee Air Services — fleet and ramp service employeesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM-represented employees ratified a two-year contract extension with enhanced wages and benefits; announcement month stated as January 2023
2023-03-31othercompleted2023-01-31United StatesMainline pilots (ALPA) — sick leave retirement payout changeUSD 51 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		First of two Letters of Agreement with mainline pilots increasing payouts of unused sick leave upon retirement; one-time special charge of $51 million recorded in Q1 2023
2023-03-31othercompleted2023-01-312023-09-30United StatesMainline pilots (ALPA) — Airbus pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Second Letter of Agreement provides higher wage rates and quality-of-life enhancements for Airbus pilots through the September 2023 A321neo retirement
2023-03-31othercompleted2023-01-01United StatesMainline PilotsUSD 51 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		One-time special charge of $51 million recorded for accrued benefits related to expected future cash payments of pilots' unused sick leave upon retirement, resulting from a Letter of Agreement with ALPA.
2023-03-31othercompleted2023-01-01United StatesMcGee Air ServicesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Ratification of a two-year contract extension with enhanced wages and benefits for fleet and ramp service employees represented by IAMAW.
2022-12-31othercompleted2022United StatesAlaska Airlines — pilots (ALPA), ramp service/stock clerks and clerical/office/passenger service (IAM), dispatchers (TWU)USD 84 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Three union groups ratified new contracts in 2022; $84M special items charge is primarily a one-time Alaska pilot ratification bonus. New agreements drove $97M incremental wage expense in the year, including a $16M one-time accrued-benefits adjustment.
2022-12-31othercompleted2022United StatesHorizon Air — mechanics (AMFA), pilots (IBT)MD&A
f5-10k / GLM-5.3-flash-HTML		AMFA mechanics ratified a new contract and IBT pilots ratified a pilot retention agreement during 2022; agreements provide increased pay and enhanced benefits and contributed to incremental wage expense.
2022-12-31othercompleted3,292United StatesMainline — PilotsUSD 84 (millions)MD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Ratification of new ALPA collective bargaining agreement during 2022; count is employees covered. Special items - labor and related charge of $84M recorded in 2022, primarily a one-time ratification bonus for Alaska pilots. Ratification date not disclosed.
2022-12-31othercompleted99United StatesMainline — DispatchersItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		TWU dispatchers ratified a new contract in 2022; count is employees covered. Ratification date not disclosed.
2022-12-31othercompletedUnited StatesMainline — Ramp/stock clerks and clerical, office and passenger serviceItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		IAM ratified new contracts in 2022 covering ramp service and stock clerks (789 employees) and clerical, office and passenger service (4,907 employees); no consolidated covered count disclosed. Ratification date not disclosed.
2022-12-31othercompleted216United StatesHorizon — Mechanics and related classificationsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Horizon mechanics represented by AMFA ratified a new contract in 2022; count is employees covered. Ratification date not disclosed.
2022-12-31othercompleted625United StatesHorizon — PilotsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Horizon pilots represented by IBT ratified a pilot retention agreement in 2022; count is employees covered. Agreement date not disclosed.
2022-12-31restructuringin_progressUSD 0 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-09-30othercompleted2022-08United StatesAlaska — represented by International Association of Machinists and Aerospace WorkersMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Two-year contract extension ratified in August 2022 with increased pay and added wage steps. Part of $35 million in incremental Q3 wage expense from new agreements.
2022-09-30othercompleted2022-09United StatesHorizon — represented by International Brotherhood of TeamstersMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilot agreement ratified September 2022 with higher pay and improved benefits aimed at pilot retention.
2022-09-30othercompleted2022-092022-10United StatesAlaska — represented by Air Line Pilots AssociationUSD 90 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement reached September 2022 and ratified by pilots in October 2022 (subsequent to quarter end). Includes a one-time $90 million ratification bonus payment to Alaska pilots, recorded as a special item in Q3 2022.
2022-09-30otherannounced2022-10United StatesAlaska — flight attendantsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract negotiations with Alaska flight attendants opened in October 2022; their contract becomes amendable in December 2022.
2022-09-30restructuringin_progressUSD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2022-06-30othercompleted2022-04United StatesAlaska Airlines dispatchers (Transport Workers Union)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ratified agreement covering increased pay with added wage steps, enhanced benefits, and streamlined training.
2022-06-30othercompleted2022-05United StatesHorizon mechanics (Aircraft Mechanics Fraternal Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ratified agreement with increased pay and license premiums.
2022-06-30otherannounced2022-062022-09-30United StatesAlaska Airlines employees represented by International Association of Machinists and Aerospace WorkersMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement reached in June 2022; ratification vote expected to be completed in Q3 2022.
2022-06-30otherin_progressUnited StatesAlaska Airlines mainline pilots (Air Line Pilots Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Active negotiations for a new contract; the prior contract became amendable in April 2020. No announcement date stated.
2022-06-30otherin_progress1,8002022-06United StatesFlight attendants (Virgin America class action)USD 22 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Wage-and-hour class action covering approximately 1,800 flight attendants; U.S. Supreme Court declined the appeal in June 2022. Accrual of $22M recorded (top of disclosed $0-$22M range); final judgment not yet determined.
2022-06-30restructuringin_progressUSD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2022-03-31othercompleted2022-04United StatesDispatchers (Transport Workers Union)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent to quarter end, Alaska's dispatchers represented by the Transport Workers Union ratified a new agreement covering pay, benefits, and training; no affected-employee count disclosed
2022-03-31restructuringin_progress2022-032023-12-31United StatesMainline (Alaska) and Regional (Horizon) fleet transitionUSD 75 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Accelerated retirement of 30 Airbus A320 aircraft (exiting by early 2023) and Horizon's 32 Q400 aircraft (by end of 2023), with evaluation of removing 10 A321neo by end of 2023; $75M special item comprises a $70M Q400 impairment plus $5M of lease-return and right-of-use write-downs, not severance; no employee reduction counts disclosed
2022-03-31restructuringin_progressUSD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-12-31restructuringcompleted3,30020202021-10-01Alaska and Horizon frontline work groupsUSD -10 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		COVID-19 program initiated in 2020: over 600 employees took permanent early-outs and over 3,300 took voluntary or incentive leaves ($220 million charge in 2020); the 3,300 figure reflects the leave population recalled during 2021. In fiscal 2021 the program concluded — all employees on leave returned to active employment by October 1, 2021 — and a net restructuring benefit of $10 million was recorded (negative value = reversal/credit). Voluntary leave liability fell from $127 million to $12 million ($105 million paid in cash); the remaining accrual covers final payments to retirement incentive leave participants who will not return to active employment. Filer states no further restructuring charges anticipated in 2022.
2021-12-31voluntary_separationcompleted600United StatesAlaska and Horizon frontline work groupsrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Over 600 employees took permanent early-outs under programs introduced in 2020 to align workforce with reduced demand. Cumulative-to-date figure as presented in the FY2021 10-K; the associated $220M restructuring charge was recorded in FY2020, not FY2021
2021-12-31othercompleted3,3002021-10-01United StatesAlaska and Horizon frontline work groupsUSD -10 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Over 3,300 employees took voluntary or incentive leaves beginning in 2020; all were recalled to active employment by 2021-10-01. FY2021 restructuring activity was a $10M net benefit (credit) from issuing recall notices to pilots on incentive lines earlier than planned; filer expects no further restructuring charges in 2022
2021-12-31voluntary_separationcompleted6002020-01-012021-10-01United StatesAll frontline work groupsItem 1_Business
f5-10k / Qwen3.6-27B-Q8_0		Over 600 employees took permanent early-outs under programs initiated in 2020. All employees on temporary leave programs were recalled by October 1, 2021.
2021-12-31restructuringcompleted3,3002020-01-012021-10-01United StatesPilots and mechanicsUSD -10 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Over 3,300 employees took voluntary or incentive leaves in 2020. All were recalled by October 1, 2021. A $10 million restructuring benefit was recorded in 2021 due to earlier-than-anticipated recalls.
2021-12-31restructuringin_progressUSD -10,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-09-30voluntary_separationcompleted60020202021-10-31United StatesAlaska and Horizon frontline work groupsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Disclosed as over 600 employees taking permanent early-outs. Combined 2020 wage expense for the early-out and leave programs was $220 million; the filing does not allocate it between the two components.
2021-09-30voluntary_separationcompleted3,30020202021-10-31United StatesAlaska and Horizon pilots, mechanics and frontline work groupsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Disclosed as over 3,300 employees on voluntary or incentive leave; all returned to work by October 2021. During the nine months ended September 30, 2021 the Company recorded a net benefit of $12 million from revised leave lengths; voluntary leave liability fell from $127 million to $16 million.
2021-09-30othercompleted2021-07United StatesHorizon Air pilots (International Brotherhood of Teamsters)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Amended wage agreement ratified in July 2021 with competitive wage increases intended to attract and retain Horizon pilots.
2021-09-30otherin_progress2021-09United StatesAlaska Airlines pilots (Air Line Pilots Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In September 2021 the Company engaged the National Mediation Board to assist in negotiations with Alaska's pilots; no agreement reached as of filing.
2021-09-30voluntary_separationin_progress2020-01-012021-12-31United StatesPilots and MechanicsUSD -12 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net benefit of $12 million recorded during the nine months ended Sept 30, 2021 due to changes in anticipated leave lengths. Over 600 employees took permanent early-outs and over 3,300 took voluntary/incentive leaves in 2020. All employees on leave returned to work by Oct 2021.
2021-09-30othercompleted2021-07-012021-07-01United StatesHorizon Air PilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Ratified amended wage agreement with International Brotherhood of Teamsters representing Horizon Air pilots, containing competitive wage increases.
2021-09-30otherin_progress2021-09-01United StatesAlaska Airlines PilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Engaged National Mediation Board to assist in negotiations with Alaska's pilots, represented by Air Line Pilots Association.
2021-09-30restructuringin_progressUSD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-06-30voluntary_separationcompleted600United StatesAlaska and Horizon airlinesrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Over 600 employees took permanent early-outs through early-out programs offered in 2020 to mitigate involuntary furloughs.
2021-06-30voluntary_separationin_progress3,3002021-10-31United StatesAlaska and Horizon airlinesrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Over 3,300 employees took voluntary or incentive leaves; approximately 1,800 remained on leave at 2021-06-30 with all expected to return by October 2021. In Q2 2021 the Company issued recall notices to all pilots on incentive leave, reversing $23M of accrual.
2021-06-30voluntary_separationin_progress6002020-01-012021-10-01United StatesFrontline work groupsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Over 600 employees took permanent early-outs in 2020. Approximately 1,800 employees remain on voluntary leave as of June 30, 2021, expected to return by October 2021.
2021-06-30restructuringin_progress2020-01-012021-10-01United StatesPilots and MechanicsUSD -23 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		In Q2 2021, $23 million of incentive leave accrual was reversed as a benefit due to accelerated recall of pilots. Total net benefit from adjustments for six months ended June 30, 2021 was $12 million.
2021-06-30restructuringin_progressUSD -23,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2021-03-31voluntary_separationin_progressUnited StatesAll work groups; pilots and mechanics incentive leave programsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Programs launched in 2020: over 600 employees took permanent early-outs and over 3,300 took voluntary or incentive leaves; approximately 2,800 employees remained on a voluntary leave program as of 2021-03-31. 2020 wage expense for these programs totaled $220 million. Counts are cumulative program totals, not quarterly flows.
2021-03-31restructuringin_progressUnited StatesPilots and mechanics on incentive leave; delayed recallsUSD 11 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q1 2021 charge of $11 million recorded as Special items — restructuring charges after capacity expectations and training schedules were refined and certain employee recalls were delayed beyond the accrual at 2020-12-31. Voluntary leave liability rolled forward from $127 million at 2021-01-01 to $91 million at 2021-03-31 (cash payments of $47 million, charges of $11 million). No employee count disclosed.
2021-03-31voluntary_separationin_progress6002020-01-01United StatesFrontline work groupsrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Over 600 employees took permanent early-outs through programs made available in 2020.
2021-03-31otherin_progress3,3002020-01-01United StatesPilots and mechanicsrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Over 3,300 employees took voluntary or incentive leaves. Approximately 2,800 remain on voluntary leave as of March 31, 2021.
2021-03-31restructuringin_progress2021-03-31United StatesPilotsUSD 11 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Additional expense of $11 million recorded for pilots on incentive leaves due to delayed recalls beyond what was anticipated at December 31, 2020.
2021-03-31restructuringin_progressUSD 11,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-12-31voluntary_separationcompleted6002020Alaska and Horizon — frontline work groupsrestructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Over 600 employees volunteered for permanent early-out separation from Alaska and Horizon. Approximately 3,900 employees in total opted into the combined early-out and voluntary/incentive leave programs during 2020.
2020-12-31otherin_progress3,30020202021Alaska and Horizon — frontline work groups; incentive leaves for Alaska pilots and mechanicsrestructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Over 3,300 employees took voluntary or incentive leaves of absence; incentive-leave programs were offered to Alaska pilots and mechanics. The Q4 2020 restructuring charge was revised to capture pilot recalls anticipated in 2021.
2020-12-31layoffcompleted4002020-10-01Alaska Airlines — flight attendantsrestructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Involuntary furloughs effective October 1, 2020 were limited to approximately 400 flight attendants; the majority had been recalled by December 31, 2020. PSP extension agreements required recall of certain fourth-quarter 2020 furloughs.
2020-12-31reduction_in_forcecompleted3002020Non-union managementrestructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Approximately 300 non-union management positions were permanently eliminated.
2020-12-31restructuringcompleted2020Company-wide workforce reduction programUSD 220 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Consolidated fiscal-2020 charge covering the early-out, voluntary/incentive leave, furlough and management-reduction programs above; no headcount assigned to this record to avoid double counting. Outstanding liability of $127 million at December 31, 2020; charge is primarily incentive-leave wages, ongoing medical coverage and lump-sum termination payments.
2020-12-31voluntary_separationcompleted600United StatesAlaska and Horizonrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Disclosed as over 600 employees taking permanent early-outs; program initiated during 2020 to limit involuntary furloughs.
2020-12-31voluntary_separationcompleted3,300United StatesAlaska and Horizon frontline workgroups, including Alaska pilots and mechanics on incentive leaveUSD 220 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Disclosed as over 3,300 employees on voluntary or incentive leaves. The $220M charge is the total FY2020 restructuring charge, primarily incentive-leave wages, medical benefits and lump-sum termination payments.
2020-12-31layoffin_progress400United StatesFlight attendantsrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Involuntary furloughs effective 2020-10-01; the majority had been recalled by 2020-12-31. Function identified in MD&A.
2020-12-31reduction_in_forcecompleted300United StatesNon-union managementrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Approximately 300 non-union management positions permanently eliminated during 2020.
2020-12-31voluntary_separationcompleted3,9002020-03-012020-12-31United StatesAll segmentsItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Includes early-out and voluntary leave programs accepted by 3,900 employees to minimize involuntary furloughs.
2020-12-31restructuringcompleted6002020-01-012020-12-31United StatesAlaska and HorizonUSD 220 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Over 600 employees volunteered for early-out separation. Total restructuring charge of $220 million recorded.
2020-12-31reduction_in_forcecompleted3002020-01-012020-12-31United StatesManagementItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Reduction of approximately 300 non-union management positions.
2020-12-31layoffcompleted4002020-10-012020-12-31United StatesFlight AttendantsItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Involuntary furloughs of approximately 400 flight attendants in October; majority returned to work by Dec 31, 2020.
2020-12-31restructuringin_progressUSD 220,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-09-30voluntary_separationcompleted600United StatesAll (frontline work groups)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Over 600 employees took permanent early-outs as part of Q3 2020 workforce restructuring; part of a program with a consolidated $322 million restructuring charge recorded in Q3 2020, not allocated by component. Exact announcement date not disclosed.
2020-09-30othercompleted3,300United StatesAll (frontline work groups, including Alaska pilots and mechanics)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Over 3,300 employees took voluntary or incentive leaves (temporary, not separations). MD&A describes roughly 4,000 employees accepting leaves including the early-outs. Part of the program carrying a consolidated $322 million Q3 2020 charge.
2020-09-30reduction_in_forceannounced4002020-10-01United StatesAll (involuntary furloughs)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Involuntary furloughs limited to approximately 400 employees, effective October 1, 2020 (after quarter end); mitigated by the voluntary programs above. Part of the consolidated $322 million Q3 2020 restructuring charge.
2020-09-30reduction_in_forcecompleted300United StatesNon-union managementrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 300 non-union management positions permanently eliminated in Q3 2020. Part of the consolidated $322 million Q3 2020 restructuring charge.
2020-09-30otherannounced2202020-11-01United StatesFlight attendantsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 220 flight attendants recalled from furlough effective November 1, 2020 (subsequent to quarter end).
2020-09-30voluntary_separationcompleted6002020-09-302020-09-30United StatesFrontline work groupsUSD 322 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Over 600 employees took permanent early-outs through mitigation programs.
2020-09-30voluntary_separationcompleted3,3002020-09-302020-09-30United StatesFrontline work groups, Pilots, MechanicsUSD 322 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Over 3,300 employees took voluntary or incentive leaves. Charge includes wages for leaves and medical coverage.
2020-09-30reduction_in_forcecompleted4002020-09-302020-10-01United StatesVariousUSD 322 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Involuntary furloughs limited to approximately 400 employees effective October 1, 2020.
2020-09-30reduction_in_forcecompleted3002020-09-302020-09-30United StatesNon-union managementUSD 322 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Permanently eliminated approximately 300 non-union management positions.
2020-09-30restructuringin_progressUSD 322,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progressPension Plan [Member]USD 16,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30voluntary_separationin_progress4,000United StatesFrontline workers and pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Early-out and voluntary furlough programs for most frontline workers plus incentive leave options for pilots; approximately 4,000 volunteers to date. Combined with the management reductions below, these changes are expected to cost $250M-$300M, recognized in Q3 2020.
2020-06-30reduction_in_forcecompleted300United StatesNon-union managementUSD 250 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 300 management positions reduced. Associated charge is a disclosed range of $250M-$300M covering both this reduction and the voluntary programs above, to be recognized in Q3 2020.
2020-06-30layoffannounced4,0002020-08-01United StatesEnterprise-wideother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		WARN notices sent August 1, 2020 to approximately 4,000 employees who may be affected if furloughs are needed; potential furloughs contingent on workforce sizing decisions. Post-quarter announcement.
2020-06-30voluntary_separationin_progress4,0002020-06-30United StatesFrontline workersMD&A
f5-10q / Qwen3.6-27B-Q8_0		Approximately 4,000 volunteers for early-out and voluntary furlough programs for most frontline workers.
2020-06-30reduction_in_forcecompleted3002020-06-30United StatesManagementMD&A
f5-10q / Qwen3.6-27B-Q8_0		Reduction of approximately 300 non-union management positions.
2020-06-30otherannounced4,0002020-08-01United StatesVariousMD&A
f5-10q / Qwen3.6-27B-Q8_0		WARN notices sent on August 1 to approximately 4,000 employees potentially impacted by future furloughs.
2020-03-31otherin_progress2020-03United StatesCompany-wideMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Company-wide hiring freeze implemented in March 2020 as part of COVID-19 cost-reduction measures.
2020-03-31otherin_progress2020-03United StatesSenior managementMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Salaries of senior management reduced and management hours cut by 10% in March 2020; annual pay increases also suspended.
2020-03-31voluntary_separationin_progress5,0002020-03United StatesCompany-wideMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary short-term and incentive leave programs offered to all employees; over 5,000 employees had taken voluntary leave as of the filing date (disclosed as 'over 5,000').
2020-03-31otherannounced2020-04-232020-09-30United StatesAlaska Airlines and Horizon Airsubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		CARES Act PSP conditions require no involuntary furloughs or pay/benefit reductions for non-officer employees through 2020-09-30; $992M received, including $267M 10-year term loan; Treasury received warrant for 846,748 shares at $31.61.
2020-03-31voluntary_separationin_progress5,0002020-03-31United StatesAllMD&A
f5-10q / Qwen3.6-27B-Q8_0		Over 5,000 employees have taken voluntary short-term and incentive leave programs.
2019-12-31othercompleted9462019-07United StatesAlaska mainline - aircraft maintenance technicians (AMFA)USD 24 (millions)Item_1_Business
f5-10k / GLM-5.3-flash-HTML		AMFA ratified an agreement integrating Airbus technicians into the Boeing technicians CBA and extending the term two years (amendable 2023-10-17). The ~$24M of one-time costs recognized in Q3 2019 wages covers signing bonuses/one-time items for both the AMFA and IAM ratifications combined and is not split between them. The 946 count is the year-end number of Alaska AMFA-represented mechanics.
2019-12-31othercompleted2019-09United StatesAlaska - clerical, office, passenger service, ramp service and stores agents (IAM)Item_1_Business
f5-10k / GLM-5.3-flash-HTML		New five-year IAM contracts ratified (amendable 2024-09-27) with signing bonuses and wage increases implemented in Q3 2019. Covered groups per year-end contract tables: 723 ramp service/stock clerks and 4,443 clerical, office and passenger service employees (not aggregated by the filer). Combined one-time ratification costs of ~$24M (AMFA plus IAM) recognized in Q3 wages; recorded on the AMFA action to avoid double counting.
2019-12-31otherin_progress1,8002019-02-04California, United StatesFlight attendants (Virgin America class; Alaska Airlines as successor-in-interest)USD 78 (millions)other
f5-10k / GLM-5.3-flash-HTML		Final judgment entered 2019-02-04 in a wage-and-hour class action under California and City of San Francisco law (class of approximately 1,800 flight attendants certified November 2016). No loss accrued; company appealing on federal preemption and class certification grounds. Captured as a workforce-related labor matter per litigation guidance; not a headcount action.
2019-12-31othercompleted9462019-07United StatesAlaska — Mechanics, inspectors and cleanersItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		AMFA ratified a two-year contract extension integrating Airbus and Boeing technicians under a single CBA, the last work group to be integrated post-Virgin America merger. Count is AMFA-represented employees at Alaska at year-end. One-time costs of approximately $24 million were recognized in Q3 2019 for the AMFA and IAM ratifications combined.
2019-12-31othercompleted7232019-09United StatesAlaska — Ramp service and stock clerksItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		IAM ramp service and stock clerks ratified a new five-year contract in September 2019, including signing bonus and wage rate increases. Count is IAM-represented employees in this group at year-end.
2019-12-31othercompleted4,4432019-09United StatesAlaska — Clerical, office and passenger serviceItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		IAM clerical, office and passenger service employees ratified a new five-year contract in September 2019, including signing bonus and wage rate increases. Count is IAM-represented employees in this group at year-end.
2019-09-30othercompleted2019-062019-07United StatesMaintenance technicians (AMFA bargaining unit)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement with Aircraft Mechanics Fraternal Association reached June 2019, integrating Airbus technicians into the Boeing technician contract and extending the term two years; ratified July 2019. Included signing bonuses and wage increases implemented in Q3. Combined one-time costs for this and the IAM agreement were $24 million in Q3; combined ongoing annual impact expected to be approximately $50 million.
2019-09-30othercompleted2019-062019-09United StatesClerical, office, passenger service, ramp service and stores agents (IAM bargaining unit)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement with the International Association of Machinists reached June 2019 for new five-year contracts; ratified September 2019. Included signing bonuses and wage increases implemented in Q3. Combined one-time costs for this and the AMFA agreement were $24 million in Q3; combined ongoing annual impact expected to be approximately $50 million.
2019-09-30othercompleted2019-06-012019-09-30United StatesMaintenance and Ground OperationsUSD 24 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Ratification of tentative agreements with AMFA and IAM unions. Included signing bonuses and wage rate increases implemented in Q3. One-time costs of $24 million recognized.
2019-06-30othercompleted2019-062019-07United StatesMaintenance technicians (Airbus and Boeing)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement with AMFA to fold Airbus technicians into the Boeing technicians' collective bargaining agreement and extend the contract term by two years; ratified by technicians in July 2019. Includes signing bonuses and wage rate increases at ratification. Combined with the IAM agreement below, the stated annual cost impact is approximately $50 million; no employee count or separate charge is disclosed.
2019-06-30otherin_progress2019-062019-09-30United StatesClerical, office, passenger service, ramp service and stores agentsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative five-year contracts reached with the IAM; employee voting concludes in Q3 2019. If ratified, the company expects $24 million in signing bonuses and $24 million in wage rate increases in the second half of 2019; annual impact thereafter is part of the approximately $50 million combined figure cited with the AMFA agreement. No affected-employee count disclosed.
2018-12-31restructuringin_progress2016-12-14United StatesAir Group-wide (Virgin America integration)USD 13 (millions)other
f5-10k / GLM-5.3-flash-HTML		FY2018 employee-related costs (primarily severance, retention bonuses and training) under the multi-year Virgin America integration program begun December 2016; total 2018 merger-related costs were $87 million, integration roughly 95% complete at year-end, further costs expected in 2019.
2018-12-31restructuringin_progress2016-12-14United StatesAir Group-wide (Virgin America integration)USD 13 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Current-year (2018) portion of the multi-year Virgin America integration program: $13M of employee-related costs (severance, retention bonuses, training) within $87M of total 2018 merger-related costs. No headcount affected is disclosed; program was about 95% complete by milestone count at year-end.
2018-09-30othercompleted2018-07United StatesDispatchersMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska dispatchers, represented by the Transport Workers Union, ratified a merger transition agreement in July 2018. As a result, all Mainline groups except aircraft technicians are now under a single contract with an integrated seniority list.
2018-09-30othercompletedUnited StatesMainline pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Integrated seniority list for the Alaska pilot group finalized during the third quarter of 2018; filer discloses timing only as 'in the third quarter,' so no specific announcement date is available. Aircraft technicians remain the only Mainline group not yet under a single contract.
2018-06-30otherannounced2018-07United StatesDispatch (Transport Workers Union)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger transition agreement for TWU-represented dispatchers ratified in July 2018; extends existing contract two years (2019-2021), provides pay increases, and enables an integrated seniority list. Four of five unionized groups at Alaska now have merger transition agreements.
2018-06-30otherannounced2018-06-30United StatesBooster technicians (Aircraft Mechanics Fraternal Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative merger transition agreement with AMFA was rejected by Boeing technicians; company continues negotiating. Announcement date is approximate (disclosed as of the Q2 2018 filing).
2018-06-30othercompleted12018-07-062018-06-14United StatesExecutive (Virgin America / Alaska)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Executive separation effective June 14, 2018; agreement executed July 6, 2018. Severance includes RSU vesting, $14,281.44 healthcare payment, $121,875 pro-rated performance pay, career counseling up to $10,000, and lifetime positive-space travel benefits.
2018-03-31otherannounced5,7002018-04United StatesMainline flight attendants (AFA-represented)USD 9 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ratified merger transition agreement and contract extension; wage increases of 4.5% for legacy Alaska and 16.5% for legacy Virgin America flight attendants, retroactive to 2018-01-01, extending the contract from 2019 to 2021. Approximately $9M retroactive pay and accrual impact recorded in Q1 2018; estimated full-year 2018 impact of about $30M. Employees affected count is the approximate population of mainline flight attendants covered, not a separation count.
2018-03-31otherin_progressUnited StatesMainline pilotsUSD 100 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New pilot contract rates became effective in Q4 2017; incremental annual impact estimated at about $100M for 2018 (about $44M recognized in Q4 2017). Announcement date not disclosed in this filing.
2018-03-31otherin_progressUnited StatesMcGee Air Services — airport ground servicesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Insourcing of airport ground service functions previously provided by a third party, contributing to the 14% increase in average FTEs; associated costs shifted from Contracted services to wages. Headcount added not quantified in the filing.
2017-12-31restructuringin_progress2019-12-31Company-wide — Alaska Airlines and Virgin America integrationUSD 40 (millions)other
f5-10k / GLM-5.3-flash-HTML		Severance and retention benefits component of FY2017 merger-related special items totaling $118M for the Virgin America integration (acquired Dec 14, 2016); integration includes combining represented workgroups into single CBAs and integrated seniority lists. Filer expects merger-related costs to continue through 2019; no affected-headcount figure disclosed.
2017-12-31othercompletedHorizon — pilots (IBT)USD 9 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Ratification bonus expense recognized in 2017 in connection with the agreement reached with Horizon's pilots (union ratification); Horizon's IBT pilot CBA table lists 729 pilots at Dec 31, 2017, amendable 12/14/2024.
2017-12-31othercompletedPilots — Alaska Airlines and Virgin America (ALPA)MD&A
f5-10k / GLM-5.3-flash-HTML		Third-party arbitration panel decision in Q4 2017 set new contract rates for Alaska and Virgin America pilots effective November 2017, and raised pilot defined-contribution contribution rates; drives higher expected 2018 wage costs.
2017-12-31restructuringin_progressUnited StatesAlaska / Virgin America integrationUSD 40 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Severance and retention benefits within $118 million of 2017 merger-related costs; affected headcount not disclosed. Company expects to continue incurring merger-related costs through 2019.
2017-12-31othercompletedUnited StatesHorizon Air — pilotsUSD 9 (millions)MD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Ratification bonus expense recorded in 2017 in connection with the collective bargaining agreement reached with Horizon's pilots; number of pilots receiving the bonus not stated.
2017-12-31othercompletedUnited StatesMainline pilots — Alaska and Virgin AmericaMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Third-party arbitration panel decision in Q4 2017 raised pilot wage rates effective November 2017 and increased defined-contribution plan matching rates; affected pilot headcount not quantified.
2017-12-31acquisition_additioncompleted3,5382016-12-142016-12-14United StatesVirgin AmericaItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Virgin America acquired on Dec 14, 2016. Headcount of 3,538 reported as of Dec 31, 2017.
2017-09-30otherannounced2017-10-30United StatesPilots — Alaska Airlines and Virgin Americasubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Binding third-party arbitration award on pilot wage rates and retirement contributions, effective November 1, 2017. Wage rates rise about 33% for top-of-scale Virgin America captains and about 16% for top-of-scale Alaska captains, plus 3% increases effective April 1, 2018 and April 1, 2019; defined-contribution retirement rates rise from 13.5%/12% to 15%, then 15.5% from January 1, 2019. Estimated incremental cost versus status quo: about $24 million for the remainder of 2017, $150 million in 2018, $180 million in 2019; average annualized impact of roughly $160-165 million over the contract life. No employee count disclosed.
2017-09-30restructuringin_progress2016-12-14United StatesConsolidated — Virgin America integrationUSD 88 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pretax merger-related costs of $88 million for the nine months ended September 30, 2017 ($24 million in Q3 2017), consisting primarily of severance, retention and IT integration costs. No headcount affected is disclosed. Company expects to continue incurring merger-related costs through 2019.
2017-09-30othercompleted2017-10-30United StatesPilotsUSD 24 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Final arbitration decision on increased wage rates and retirement contributions for pilots of Alaska Airlines and Virgin America. Estimated $24 million incremental costs in Q4 2017.
2017-06-30restructuringin_progress2019-12-31United StatesAir Group — Virgin America integrationUSD 64 (millions)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger-related costs of $64 million for the six months ended June 30, 2017 ($24 million in the second quarter), consisting primarily of severance and retention costs; no affected-employee count disclosed. Company expects to continue incurring merger-related costs through 2019 as integration continues.
2017-06-30othercompletedUnited StatesHorizon — pilotsUSD 9 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Agreement reached during the quarter with the International Brotherhood of Teamsters amending the eight-year contract for Horizon's pilots; includes a ratification bonus of approximately $9 million plus higher pay rates, reflected in the quarter's results. No exact announcement date or affected-employee count given.
2017-06-30otherin_progress2017-12-31United StatesAlaska — mainline pilots (ALPA)USD 140 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilot mediation concluded without agreement; positions to be presented to an arbitration panel in Q3 2017 with a final decision expected as soon as Q4 2017. Company expects the resulting contract to increase annual wages and benefits costs by approximately $140 million; this estimate is not yet included in unit cost guidance.
2017-06-30otherin_progressUnited StatesAlaska — represented workgroups (excluding aircraft technicians)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Each represented group at Alaska, other than aircraft technicians, filed with the National Mediation Board for single carrier status, enabling Virgin America teammates to join existing unions and move toward joint collective bargaining agreements. No employee counts disclosed.
2017-06-30othercompleted2017-06-30United StatesHorizon PilotsUSD 9 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Agreement with Horizon pilots includes ratification bonus of approximately $9 million.
2017-06-30otherin_progress2017-06-302017-12-31United StatesMainline PilotsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Alaska and ALPA presenting positions to arbitration panel; decision expected in Q4 2017. Expected to increase annual wages by ~$140 million.
2017-03-31acquisition_additioncompleted2016-12-142016-12-14United StatesMainline (Virgin America)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of 100% of Virgin America closed December 14, 2016 for $2.6 billion cash; headcount added through the acquisition is not separately disclosed in this filing
2017-03-31restructuringin_progress2016-12-142017-12-31United StatesConsolidated (Virgin America integration)USD 40 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pretax merger-related costs of $40 million incurred in Q1 2017, consisting primarily of severance and retention costs; no affected-employee count disclosed and company expects to continue incurring such costs through 2017
2017-03-31otherannounced2017-04United StatesHorizon Air — pilotsUSD 10 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement reached in April 2017 with the International Brotherhood of Teamsters to amend the eight-year contract for Horizon's pilots; includes a ratification bonus of approximately $10 million and higher pay rates, reflected in 2017 cost guidance
2017-03-31othercompleted2017-04-01United StatesHorizon AirUSD 10 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Tentative agreement reached with International Brotherhood of Teamsters to amend Horizon pilots' contract, including a ratification bonus of approximately $10 million.
2017-03-31restructuringin_progress2016-12-14United StatesCorporateUSD 40 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Merger-related costs incurred for the three months ended March 31, 2017, consisting primarily of severance and retention costs associated with the acquisition of Virgin America.
2016-12-31acquisition_additioncompleted3,2522016-12-142016-12-14United StatesVirgin America — all employee groupsItem_1_Business
f5-10k / GLM-5.3-flash-HTML		Acquisition of Virgin America completed December 14, 2016; 3,252 Virgin America active employees reported as of December 31, 2016. Merger-related special items of $117 million in 2016 included unquantified severance costs (Note 11).
2016-12-31otherin_progress6842016-12-12United StatesAlaska — mechanics, inspectors and cleaners (AMFA)Item_1_Business
f5-10k / GLM-5.3-flash-HTML		Tentative five-year collective bargaining agreement with AMFA reached December 12, 2016; if ratified, the contract would become amendable in October 2021. Ratification was pending as of the filing.
2016-12-31acquisition_additioncompleted3,2522016-12-14United StatesMainline — Virgin America Inc.USD 117 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Headcount is Virgin America employees at 2016-12-31, the only disclosed headcount figure for the acquired entity. The $117M charge is total pretax merger-related costs (legal, investment banking, severance), not solely workforce-related; no severance-only amount is broken out. Virgin America contributed $99M revenue and $15M net income from 2016-12-14 to 2016-12-31.
2016-12-31othercompleted6842016-12-12United StatesAlaska — Mechanics, inspectors and cleanersItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Tentative five-year collective bargaining agreement reached with AMFA covering 684 employees; ratification status not disclosed. Headcount is the represented group size, not positions changed.
2016-12-31acquisition_additioncompleted3,2522016-12-142016-12-14United StatesVirgin AmericaItem_1_Business
f5-10k / Qwen3.6-27B-Q8_0		Acquisition of Virgin America completed on December 14, 2016. Virgin America had 3,252 employees as of year-end.
2016-06-30acquisition_additionannounced2016-04-012016-12-31United StatesUSD 14 (millions)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Agreement to acquire Virgin America for $57 per share (~$2.6 billion) in cash; expected to close in Q4 2016, subject to regulatory approval. No headcount added disclosed. $14 million merger costs incurred through June 30, 2016, classified as special items; share repurchase program paused in Q2 in advance of the acquisition.
2016-03-31restructuringin_progressUnited StatesHorizon AirUSD 4 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance costs of approximately $4 million recognized at Horizon in Q1 2016 related to organizational restructuring; no employee count or completion date disclosed. Related pilot and flight attendant signing bonuses of approximately $3 million were also recognized in the quarter.
2016-03-31acquisition_additionannounced2016-04-012017-01-01United StatesConsolidatedsubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger agreement entered April 1, 2016 (announced April 4, 2016); $57 per share, approximately $2.6 billion cash, plus assumed debt and lease obligations. No headcount added disclosed; filer states financial impacts are not yet estimable. Expected to close no later than January 1, 2017.
2015-12-31othercompleted442015-12United StatesDispatchers (Alaska Airlines)MD&A
f5-10k / GLM-5.3-flash-HTML		Four-year agreement signed with Alaska dispatchers (TWU) in December 2015; contract amendable 2019-03-24. Labor-relations event with no headcount change.
2015-12-31othercompleted6432016-01United StatesPilots (Horizon Air)MD&A
f5-10k / GLM-5.3-flash-HTML		New agreement ratified January 2016, subsequent to fiscal year-end; becomes amendable December 2024. The two Horizon ratifications carry an aggregate signing bonus of approximately $3.5 million expected in Q1 2016, not attributed by contract.
2015-12-31othercompleted5962016-01United StatesFlight attendants (Horizon Air)MD&A
f5-10k / GLM-5.3-flash-HTML		New agreement ratified January 2016, subsequent to fiscal year-end; becomes amendable July 2019. The two Horizon ratifications carry an aggregate signing bonus of approximately $3.5 million expected in Q1 2016, not attributed by contract.
2014-12-31othercompleted3,3742014-12United StatesAlaska — Flight attendantsUSD 8 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Five-year collective bargaining agreement signed and ratified December 2014. Headcount per Item 1 union contracts table (AFA flight attendants, contract amendable 2019-12-17). Includes an $8 million signing bonus recognized in wages expense (not severance). No headcount reduction.
2014-12-31othercompleted2722014-06United StatesHorizon — aircraft technicians and fleet service agentsMD&A
f5-10k / GLM-5.3-flash-HTML		Six-year contract signed June 2014. Headcount mapped to the IBT mechanics and related classifications group (272) in the Item 1 union table; contract amendable 2020-12-16. No headcount reduction.
2014-12-31othercompleted2,7172014-04United StatesAlaska — clerical, office and passenger serviceMD&A
f5-10k / GLM-5.3-flash-HTML		Five-year contract signed April 2014 with the IAM clerical, office and passenger service group (2,717 employees per Item 1 union table); contract amendable 2019-01-01. No headcount reduction.
2014-12-31othercompleted2014-04United StatesHorizon — dispatchersMD&A
f5-10k / GLM-5.3-flash-HTML		Four-year contract signed April 2014 with Horizon dispatchers. Covered headcount is not enumerated in Horizon's union contracts table in Item 1.
2014-12-31othercompleted2014-12United StatesAlaska Airlines — Flight attendantsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Five-year collective bargaining agreement with Alaska's flight attendants (AFA) ratified in December 2014; includes an $8 million signing bonus paid in December 2014.
2014-12-31othercompleted2014-06United StatesHorizon Air — Aircraft technicians and fleet service agentsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Six-year contract signed with Horizon's aircraft technicians and fleet service agents in June 2014.
2014-12-31othercompleted2014-04United StatesAlaska Airlines — Clerical, office and passenger service employeesItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Five-year contract signed with Alaska's clerical, office and passenger service employees in April 2014.
2014-12-31othercompleted2014-04United StatesHorizon Air — DispatchersItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Four-year contract signed with Horizon's dispatchers in April 2014.
2014-09-30otherannounced2014-10United StatesAlaska Airlines flight attendants (Association of Flight Attendants)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent to quarter-end, a five-year agreement in concept was reached with Alaska's flight attendants under National Mediation Board oversight; contract had been amendable since May 2012 with mediation since July 2013. No employee count or ratification status disclosed.
2014-09-30othercompleted2014-10-01United StatesFlight AttendantsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Reached a five-year agreement in concept with flight attendants represented by AFA.
2014-06-30othercompleted2014-04United StatesAlaska Airlines — clerical, office and passenger service employees (COPS)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM-represented COPS group ratified a new five-year contract in April 2014; no employee count or cost disclosed.
2014-06-30othercompleted2014-04United StatesHorizon Air — dispatchersMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		TWU-represented dispatchers ratified a new four-year contract in April 2014; no employee count or cost disclosed.
2014-06-30othercompleted2014-06United StatesHorizon Air — aircraft technicians and fleet service agentsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IBT-represented technicians and fleet service agents ratified a new six-year contract in June 2014; a related signing bonus is referenced in Horizon segment expense discussion.
2014-06-30otherin_progress2013-07United StatesAlaska Airlines — flight attendants (AFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract became amendable May 2012; parties in mediation before the National Mediation Board since July 2013 under the Railway Labor Act.
2014-06-30othercompleted2014-04-01United StatesClerical, office, and passenger service employeesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Alaska Airlines clerical, office, and passenger service employees ratified a new five-year contract.
2014-06-30othercompleted2014-04-01United StatesDispatchersMD&A
f5-10q / Qwen3.6-27B-Q8_0		Horizon Air dispatchers ratified a new four-year contract.
2014-06-30othercompleted2014-06-01United StatesAircraft technicians and fleet service agentsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Horizon Air aircraft technicians and fleet service agents ratified a new six-year contract.
2014-03-31otherin_progress2014-02United StatesAlaska Airlines flight attendants (Association of Flight Attendants)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Flight attendants rejected a tentative five-year agreement in February 2014; talks ongoing since November 2011 with mediation expected in May 2014. No headcount impact disclosed.
2014-03-31otherannounced2014-04United StatesAlaska Airlines clerical, office and passenger service employees (IAM)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New five-year contract ratified in April 2014 (post-quarter), approved by 62% of voters; includes pay increases and productivity commitments. No affected-employee count disclosed.
2014-03-31otherannounced2014-04United StatesHorizon Air dispatchers (Transport Workers Union)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New four-year contract ratified in April 2014 (post-quarter), approved by 82% of voters. No affected-employee count disclosed.
2014-03-31othercompleted2014-04-01Clerical, office, and passenger service employeesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Alaska Airlines clerical, office, and passenger service employees (COPS) ratified a new five-year contract in April 2014.
2014-03-31othercompleted2014-04-01DispatchersMD&A
f5-10q / Qwen3.6-27B-Q8_0		Horizon Air dispatchers ratified a new four-year contract in April 2014.
2014-03-31otherin_progress2014-02-01Flight attendantsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Alaska Airlines flight attendants rejected a tentative five-year agreement in February 2014; negotiations expected to reopen in May 2014.
2013-12-31othercompleted1,4402013-07United StatesAlaska Airlines - PilotsItem_1_Business
f5-10k / GLM-5.3-flash-HTML		Union ratification: five-year collective bargaining agreement approved by Alaska pilots in July 2013, effective April 1, 2013; contract amendable March 31, 2018.
2013-12-31othercompleted5452013-07United StatesHorizon Air - Flight attendantsItem_1_Business
f5-10k / GLM-5.3-flash-HTML		Union ratification: five-year contract approved by Horizon flight attendants in July 2013; amendable July 18, 2018.
2013-12-31otherannounced3,1322013-12United StatesAlaska Airlines - Flight attendantsItem_1_Business
f5-10k / GLM-5.3-flash-HTML		Tentative five-year agreement reached December 2013; ratification vote results due February 14, 2014, so agreement not yet ratified at filing.
2013-12-31otherannounced2,5082014-02United StatesAlaska Airlines - Clerical, office and passenger serviceItem_1_Business
f5-10k / GLM-5.3-flash-HTML		Tentative five-year agreement reached February 2014, after fiscal year-end; prior contract had become amendable January 1, 2014. Ratification pending at filing.
2013-12-31othercompleted1,9852013-07-31United StatesAlaska pilots; Horizon flight attendantsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Employees affected is the sum of the union contract table counts for ALPA Alaska pilots (1,440) and AFA Horizon flight attendants (545); five-year contracts approved in July 2013. Count is derived from the disclosed contract table, not stated as a program total.
2013-12-31otherannounced3,1322013-12-312014-02-14United StatesAlaska flight attendants (AFA)Item_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Tentative five-year agreement reached in December 2013; ratification vote results due 2014-02-14. Employee count from the Alaska union contract table.
2013-12-31otherannounced2,5082014-02-28United StatesAlaska clerical, office and passenger service employees (IAM)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Tentative five-year agreement reached February 2014, after fiscal year-end and before the 2014-02-13 filing date; contract became amendable 2014-01-01. Employee count from the Alaska union contract table. Announcement date approximate to month disclosed.
2013-09-30othercompleted2013-07-10United StatesAlaska Mainline — PilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska Airlines pilots approved a new five-year contract; 67% voted in favor with nearly 94% of eligible voters participating. Contract ratified in the quarter.
2013-09-30othercompleted2013-07-18United StatesHorizon — Flight AttendantsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon's flight attendants approved a new five-year contract; about 81% of eligible flight attendants participated and 75% of those voted in favor.
2013-09-30otherin_progress2013-09-302013-11-15United StatesHorizon — Technicians and Related Employees (IBT)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement reached in September 2013 with IBT-represented technicians; ratification voting concludes November 15, 2013. If approved, extends the collective bargaining agreement (amendable December 16, 2014) for five years with a signing bonus and pay raises.
2013-09-30otherin_progress2013-05-02United StatesAlaska Mainline — Flight Attendants (AFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska Airlines flight attendants, represented by the AFA, filed for mediation with the National Mediation Board on May 2, 2013; negotiations began November 2011 before the May 1, 2012 amendable date. Mediation pending as of quarter end.
2013-09-30otherin_progress2013-09-302014-01-01United StatesAlaska Mainline — Clerical, Operations and Passenger Services (IAM)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Alaska is negotiating a new contract with the IAM for clerical, operations and passenger services employees; that contract becomes amendable January 1, 2014. Horizon's maintenance store employees (IAM) are also working toward a first contract.
2013-06-30otherannounced2013-07-10United StatesAlaska Mainline — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Five-year pilot contract approved after ratification vote; pay increases of nearly 20% over the agreement term plus job security and work rule improvements. MD&A expects wages and benefits to rise about $40 million in H2 2013 from this deal and the Horizon flight attendant agreement combined.
2013-06-30otherannounced2013-07-18United StatesHorizon — flight attendantsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Five-year contract ratified covering more than 500 Horizon flight attendants; includes pay raises, quality-of-life improvements and more flexible scheduling.
2013-06-30otherin_progress2013-05-02United StatesAlaska Airlines — flight attendants (AFA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Flight attendants filed for mediation with the National Mediation Board; negotiations began November 2011 and remained ongoing at filing.
2013-06-30otherin_progress2014-01-01United StatesAlaska Airlines — clerical, operations and passenger services employees (IAM)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Negotiations with IAM unit whose contract becomes amendable January 1, 2014; no announcement date stated in filing.
2013-06-30otherin_progressUnited StatesHorizon — maintenance store employees (IAM)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Negotiations with IAM representing Horizon maintenance store employees; no announcement date or completion date stated in filing.
2013-03-31otherannounced2013-05-02United StatesAlaska Airlines flight attendants (Association of Flight Attendants)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-quarter event: Alaska Airlines flight attendants, represented by the AFA, filed for mediation with the National Mediation Board. Contract became amendable in May 2012; negotiations began November 2011.
2013-03-31otherin_progressUnited StatesAlaska Airlines pilots (Air Line Pilots Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract became amendable in April 2013; negotiations ongoing as of the filing date.
2013-03-31otherin_progressUnited StatesHorizon Air flight attendants (Association of Flight Attendants)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract became amendable in December 2011; negotiations ongoing.
2013-03-31otherin_progressUnited StatesIAM-represented employees (Horizon maintenance stores; Alaska clerical, operations and passenger services)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract becomes amendable December 31, 2013; negotiations ongoing.
2012-12-31othercompleted2012-07Alaska Airlines — ramp and stores agents (IAM)MD&A
f5-10k / GLM-5.3-flash-HTML		Union ratification, not a headcount action. IAM-represented ramp and stores agents ratified a six-year contract by a 91% margin before the amendable date; initial wage increase of 2.5% plus 1.5% annual increases with productivity improvements. Item 1 union-contract table lists 573 active employees in the IAM ramp service and stock clerks group.
2012-12-31othercompleted2012-12Horizon Air — pilots (IBT)MD&A
f5-10k / GLM-5.3-flash-HTML		Union ratification, not a headcount action. Six-year agreement with Horizon's IBT pilot union extending the contract through December 2018, with a signing bonus, wage step increases and productivity gains. Item 1 union-contract table lists 550 active IBT pilots.
2012-12-31othercompleted2013-01Vancouver and Victoria, BC, CanadaHorizon Air — station personnelMD&A
f5-10k / GLM-5.3-flash-HTML		Union ratification occurring after fiscal year-end but before filing; three-year agreement with Horizon station personnel represented by the National Automobile, Aerospace, Transportation and General Workers. Item 1 union-contract table lists 46 active employees in this group.
2012-12-31othercompleted5732012-07-31United StatesAlaska — Ramp service and stock clerks (IAM)MD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Six-year IAM contract ratified in July 2012 by a 91% margin before the amendable date; 2.5% initial wage increase then 1.5% annual increases. Employees affected count is the union-represented group size as of 12/31/2012.
2012-12-31othercompleted5502012-12-312018-12-11United StatesHorizon — Pilots (IBT)MD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Six-year agreement entered December 2012 extending the Horizon pilot contract through December 2018, with signing bonus, wage step increases and productivity gains. Announcement month only (December 2012); employees affected is the union group size at 12/31/2012.
2012-12-31othercompleted462013-01-31CanadaHorizon — Station personnel in Vancouver and Victoria, BCMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Three-year agreement ratified in January 2013, after fiscal year-end and before the 2013-02-14 filing date. Announcement month only; employees affected is the union group size at 12/31/2012.
2012-12-31otherin_progress3,4922012-12-31United StatesFlight attendants (AFA) — Alaska and HorizonMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Open negotiations with AFA flight attendants whose contracts became amendable in April 2012 (Alaska) and December 2011 (Horizon); count is the sum of the two AFA-represented groups at 12/31/2012 (2,987 + 505).
2012-12-31otherin_progress1,4522012-12-312013-04-01United StatesAlaska — Pilots (ALPA)MD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Early discussions underway with ALPA pilots ahead of the 4/1/2013 amendable date; count is the ALPA-represented group size at 12/31/2012.
2012-12-31restructuringcompleted10020102010Horizon AirMaintenanceUSD 3 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Horizon eliminated approximately 100 positions in the maintenance division resulting in a charge for separation pay. Disclosed in FY2010 column of Note 12, but referenced in FY2012 filing as historical context for completed transitions.
2012-12-31restructuringin_progressUSD 0 (absolute)restructuring_footnote
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2012-09-30othercompletedUnited StatesRamp and stores agents (IAM-represented)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ramp and stores agents ratified a six-year contract by a 91% margin before the amendable date; 2.5% initial wage increase followed by 1.5% annual increases, with productivity improvements. Number of covered employees not disclosed.
2012-09-30otherin_progressUnited StatesFlight attendants (AFA) and Alaska pilots (ALPA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Company reported active negotiations with Alaska and Horizon AFA unions and early discussions with Alaska's ALPA, whose contract is amendable in spring 2013. No counts or dates disclosed.
2012-09-30otherannounced2012-10-242012-12-31United StatesHorizon pilots (International Brotherhood of Teamsters)USD 1 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative six-year contract extension through December 2018 with signing bonus, wage step increases and productivity gains; ratification vote runs November through December 2012. If signed, signing bonus expected to be an approximately $1.0 million charge to wages and benefits.
2012-09-30restructuringin_progressUSD 0 (absolute)restructuring_footnote
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2012-06-30othercompletedUnited StatesAlaska Mainline — ramp and stores agents (represented by International Association of Machinists)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Six-year collective bargaining agreement ratified by 91% margin ahead of the amendable date; provides 2.5% initial wage increase then 1.5% annual increases, plus productivity improvements. Affected-employee count not disclosed.
2012-06-30otherin_progressUnited StatesAlaska and Horizon — Association of Flight Attendants (AFA) unionsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Company reported it is currently in negotiations with the AFA unions at both Alaska and Horizon; no terms, dates, or affected-employee counts disclosed.
2012-06-30restructuringin_progressUSD 0 (absolute)restructuring_footnote
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2012-03-31otherin_progress2012-05-01United StatesFlight attendants (Alaska and Horizon)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Open contract negotiations with the Association of Flight Attendants unions at Alaska and Horizon; contracts become amendable May 1, 2012. Affected employee count not disclosed.
2012-03-31otherin_progress2012-07-15United StatesRamp services and stock clerks (Alaska)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Open contract negotiations with the International Association of Machinists and Aerospace Workers; contract becomes amendable mid-July 2012. Affected employee count not disclosed; expected_completion_date reflects approximate mid-July amendability date.
2012-03-31restructuringin_progressUSD 0 (absolute)restructuring_footnote
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2011-12-31restructuringcompleted2011-12-31United StatesHorizon — regional fleet operationsUSD 39 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Horizon completed its transition to an all-Q400 fleet in 2011. Fiscal 2011 charges comprised $28.3M of net charges for CRJ-700 aircraft and related inventory removal plus a $10.6M loss on final Q200 disposition. No employee-impact count was quantified for the 2011 charges; a related 2010 Horizon heavy-maintenance outsourcing decision had eliminated approximately 100 maintenance positions (2010 charge). Horizon also began outsourcing certain activities to third parties in 2011 without disclosed headcount impact.
2011-12-31othercompleted6262011United StatesAlaska — aircraft technicians (mechanics, inspectors and cleaners)MD&A
f5-10k / GLM-5.3-flash-HTML		Five-year collective bargaining agreement reached with AMFA in 2011 covering Alaska's aircraft technicians; contract amendable 2016-10-17. Employee count reflects the represented active group; ratification had no disclosed headcount impact.
2011-12-31othercompleted2,3282011-01United StatesAlaska — clerical, office and passenger serviceMD&A
f5-10k / GLM-5.3-flash-HTML		New IAM contract ratified in January 2011 for Alaska's clerical, office and passenger service employees, including a signing bonus; contract amendable 2014-01-01. Employee count reflects the represented active group; no headcount impact disclosed.
2011-12-31restructuringcompleted2011-12-31United States (Pacific Northwest)Horizon Air — regional operationsUSD 39 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2011 activity only: $28.3M for CRJ-700 removal/sublease and inventory write-off, $10.6M for final Q200 disposition; transition to an all-Q400 fleet completed in 2011. Headcount impact not quantified.
2011-12-31othercompleted2011-12-31United StatesHorizon Air — certain activities outsourced to third partiesMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Part of 2011 Horizon changes; no headcount or charge quantified for the outsourcing itself.
2011-12-31restructuringcompleted10020102010HorizonMaintenanceUSD 3 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Voluntary separation of approximately 100 positions in Horizon maintenance division due to outsourcing of heavy maintenance functions. Charge recorded in 2010, disclosed in 2011 filing for context.
2011-12-31restructuringin_progressUSD 38,900,000 (absolute)restructuring_footnote
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2011-09-30restructuringin_progressUSD 38,900,000 (absolute)restructuring_footnote
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2011-06-30restructuringin_progressUSD 36,900,000 (absolute)restructuring_footnote
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2011-03-31restructuringcompleted2011-03-31United StatesHorizon Air — regional fleet (CRJ-700)USD 10 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Four CRJ-700 aircraft removed from operations during Q1 2011 via sublease to a third-party carrier, generating a $10.1 million charge. No employee-affected count disclosed.
2011-03-31restructuringin_progress2011-06-30United StatesHorizon Air — regional fleet (CRJ-700)USD 18 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Agreement in place to remove the remaining nine CRJ-700 aircraft in Q2 2011 via sublease or lease assignment; management expects a charge of approximately $18 million to $20 million. No employee-affected count disclosed.
2011-03-31othercompleted2011-01-31United StatesAlaska Airlines — IAM-represented customer service, reservation and clerical employeesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New collective bargaining contract ratified by IAM-represented employees on January 31, 2011; included a signing bonus to clerical, office and passenger service employees. Affected-employee count not disclosed.
2011-03-31otherannounced2011-03-24United StatesAlaska Airlines — dispatchers (Transport Workers Union)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative agreement reached with TWU-represented dispatchers on March 24, 2011; ratification status and affected-employee count not disclosed.
2011-03-31otherin_progressUnited StatesAlaska Air Group — consolidated operationsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Company is recalling furloughed employees to support expected 2011 growth, contributing to higher FTEs; number of employees recalled not disclosed.
2011-03-31restructuringcompleted2011-03-312011-03-31Horizon AirUSD 10 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Removal of four CRJ-700 aircraft through sublease to a third party carrier. Employee count not disclosed.
2011-03-31othercompleted2011-01-312011-01-31Alaska AirlinesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Employees represented by the International Association of Machinists ratified a new contract.
2011-03-31otherin_progress2011-03-24Alaska AirlinesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Reached a tentative agreement on a new contract with dispatchers represented by the Transport Workers Union.
2011-03-31restructuringin_progressUSD 10,100,000 (absolute)restructuring_footnote
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2010-12-31restructuringcompleted1002010United StatesHorizon Air — aircraft heavy maintenanceUSD 3 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Decision to outsource remaining heavy-maintenance functions announced in Q3 2010 (expected ~$3M annual cost savings); approximately 100 maintenance-division positions eliminated through early-out packages or voluntary furloughs; $2.9M separation-pay charge fully paid during Q3 2010.
2010-12-31restructuringin_progress20082011-06United StatesHorizon Air — CRJ-700 fleet transition to all-Q400USD 10 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Multi-year program originally announced in 2008; record captures FY2010 activity: five CRJ-700 aircraft removed via sublease or lease assignment with a $10.3M charge. Thirteen remaining aircraft slated for 2011 removal, with charges up to $3M per aircraft at cease-use. No headcount impact disclosed for this component.
2010-12-31othercompleted2010United StatesHorizon Air — pilots (IBT) and mechanics (IBT)MD&A
f5-10k / GLM-5.3-flash-HTML		Labor agreements reached with pilots and mechanics in Q4 2010; both include participation in the Performance-Based Pay incentive plan, and the pilot agreement includes a signing bonus and wage-arbitration provisions. Union contract tables show 536 represented pilots and 320 represented mechanics at year-end.
2010-12-31othercompleted2010-12United StatesAlaska Airlines — clerical, office and passenger service (IAM)MD&A
f5-10k / GLM-5.3-flash-HTML		Tentative three-year agreement reached December 2010 with the airline's largest represented group (2,302 active represented employees per union contract table); ratified in Q1 2011 (subsequent to fiscal year-end) with Performance-Based Pay participation, a $1,500 per-employee signing bonus and annual wage increases.
2010-12-31voluntary_separationcompleted1002010Horizon Air — Aircraft MaintenanceUSD 3 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Announced in Q3 2010 when remaining heavy maintenance for Horizon aircraft was outsourced; approximately 100 maintenance positions eliminated through early-out packages or voluntary furloughs. Separation pay of $2.9 million was paid entirely in Q3 2010; expected annual savings of about $3 million.
2010-12-31restructuringin_progress20082011Horizon Air — Fleet transition to all-Q400USD 10 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Program announced in 2008; this record captures only FY2010 activity — five CRJ-700 aircraft removed from operations via sublease or lease assignment, with a $10.3 million charge. No employee-impact count disclosed for the fleet transition.
2010-12-31restructuringannounced20102011Horizon Air — Fleet transition to all-Q400restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Letter of intent signed during 2010 to dispose of the remaining 13 CRJ-700 aircraft in 2011 (eight via sublease/lease assignment; five to be flown by SkyWest Airlines under a capacity purchase arrangement). Expected charges of up to $3 million per aircraft at cease-use date; no charge recorded in FY2010.
2010-12-31otherannounced20102011-01-01Horizon Air — Brand phase-out and all-CPA operating modelItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Structural change: Horizon discontinued brand flying effective 2011-01-01 and the external Horizon brand will be phased out with fleet rebranded in Alaska livery. No workforce impact quantified in the filing.
2010-12-31othercompleted2010Horizon Air — Pilots and MechanicsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Both agreements include participation in the Performance-Based Pay plan; the pilot agreement includes a signing bonus and wage arbitration provisions. Bargaining units totaled 536 pilots and 320 mechanics at year-end.
2010-12-31otherannounced20102011Alaska Airlines — Clerical, office and passenger serviceMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Three-year tentative agreement with the largest represented group (2,302 active employees at year-end); ratified in Q1 2011 with a $1,500 signing bonus per employee, annual wage increases, and Performance-Based Pay participation.
2010-12-31restructuringcompleted1002010-07-012010-09-30Horizon AirMaintenanceUSD 3 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Outsourcing of heavy maintenance functions; reduction via voluntary furlough or early retirement. Charge paid in Q3 2010.
2010-12-31restructuringin_progressUSD 13,200,000 (absolute)restructuring_footnote
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2010-09-30restructuringcompleted1002010-09-30United StatesHorizon — maintenance divisionUSD 3 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Decision announced during Q3 2010 to outsource Horizon's remaining heavy maintenance; approximately 100 positions eliminated via early-out packages or voluntary furloughs. Separation pay of $2.9 million was paid entirely in Q3 2010. Exact announcement date not disclosed.
2010-09-30restructuringin_progressUnited StatesHorizon — CRJ-700 fleet transitionUSD 7 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q3 2010 charge for assigning leases of four CRJ-700 aircraft to a third-party carrier; no employee count disclosed. Five CRJ-700s removed in the first nine months of 2010 for a total $10.3 million charge; 13 CRJ-700s remained in the operating fleet at 2010-09-30, with a letter of intent to dispose of eight more in H1 2011.
2010-09-30otherannouncedUnited StatesHorizon — pilots (International Brotherhood of Teamsters)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon and the IBT reached a tentative collective bargaining agreement; pilot ratification vote expected in November 2010. If ratified, a Q4 2010 charge is expected for a pilot signing bonus and addition of Horizon pilots to the Performance-Based Pay incentive program; amount not quantified. Exact announcement date not disclosed.
2010-09-30voluntary_separationcompleted1002010-09-302010-09-30HorizonMaintenanceUSD 3 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Horizon eliminated approximately 100 positions in the maintenance division through early-out packages or voluntary furloughs due to outsourcing of heavy maintenance functions.
2010-09-30restructuringin_progressUSD 9,800,000 (absolute)restructuring_footnote
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2010-06-30restructuringannounced2010-09-30United StatesHorizon Air — maintenance divisionUSD 3 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Filer states it will eliminate a number of maintenance-division positions via early-out packages or voluntary and involuntary furloughs following a decision to outsource remaining Horizon heavy maintenance; expected third-quarter charge of less than $3 million for severance and continuing medical benefits. Number of positions not disclosed; announcement date stated only as 'recently' prior to the August 5, 2010 filing.
2010-06-30restructuringin_progressUSD 3,400,000 (absolute)restructuring_footnote
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2010-03-31otherannounced2010-05-052010-06-30Horizon Air — CRJ-700 fleetother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Fleet transition, not a labeled RIF: company expects to remove 1-3 of its 18 CRJ-700 aircraft from operations in Q2 2010 and sublease them; management estimates sublease loss of about $5 million per aircraft (per-aircraft estimate, no total charge or employee count disclosed). Announcement date is the 10-Q filing date, the date of public disclosure.
2010-03-31othercompleted2010-02United StatesAlaska Airlines — ramp service operations (IAM)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Collective bargaining grievance outcome: arbitrator's February 2010 remedy decision did not require altering Seattle ramp subcontracting and sustained future subcontracting rights; monetary remedies were paid in Q1 2010 and deemed immaterial. Only month of announcement is disclosed; no employee count affected.
2009-12-31reduction_in_forcecompleted20082009-12-31United StatesAlaska Airlines — union and non-union employee groupsUSD 13 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Announced Q3 2008; $12.9M charge covered severance and medical coverage. Current-year activity: remaining $7.2M accrual paid during 2009; balance zero at December 31, 2009 per Note 4 roll-forward. Affected headcount not disclosed.
2009-12-31othercompleted1,2532009-05-19United StatesAlaska Airlines — pilots (ALPA)USD 36 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Four-year contract ratified May 19, 2009: ~14% average wage increase, PBP participation, defined-benefit pension closed to new entrants. Includes $20.3M ratification bonus and $15.5M sick-leave payout transition. Count is active Alaska pilots at Dec 31, 2009 (Item 1).
2009-12-31othercompleted2,2682009-03United StatesAlaska Airlines — flight attendants (AFA)USD 2 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Two-year extension ratified March 2009, amendable April 2012; $2.0M aggregate ratification bonus; PBP participation and 1.5% increases May 2010 and 2011. Count is active flight attendants at Dec 31, 2009 (Item 1).
2009-12-31othercompleted6342009-08United StatesAlaska Airlines — aircraft technicians (AMFA)USD 1 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Two-year extension agreed August 2009, amendable October 2011; 1.5% pay-scale increases October 2009 and 2010; $1.3M ratification bonus; PBP participation. Count is active technicians at Dec 31, 2009 (Item 1).
2009-12-31othercompleted7332009-12United StatesAlaska Airlines — ramp service and stores agents (IAM)USD 1 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Two-year extension ratified December 2009; 1.5% increases June 2010 and 2011; ~$0.5M signing bonus; PBP participation. Count is active ramp/stores group at Dec 31, 2009 (Item 1).
2009-12-31othercompleted2,387United StatesAlaska Airlines — clerical, office and passenger service (IAM)MD&A
f5-10k / GLM-5.3-flash-HTML		COPS group rejected a two-year extension proposal similar to ramp/stores terms; remains the only Alaska workgroup (besides Mexico station) outside PBP. Vote date not disclosed. Count is active COPS employees at Dec 31, 2009 (Item 1).
2009-12-31othercompleted162009-07United StatesHorizon Air — dispatchers (TWU)MD&A
f5-10k / GLM-5.3-flash-HTML		New contract ratified July 2009, expiring October 2010; transitions group from former profit-sharing plan to PBP. Count is active dispatchers at Dec 31, 2009 (Item 1).
2009-12-31othercompleted5192009-12United StatesHorizon Air — flight attendants (AFA)USD 0 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		New two-year contract ratified December 2009; PBP participation 2009 onward; at least 3% pay increase over contract life; $0.3M signing bonus. Count is active flight attendants at Dec 31, 2009 (Item 1).
2009-12-31otherin_progress5312010-01United StatesHorizon Air — pilots (IBT)MD&A
f5-10k / GLM-5.3-flash-HTML		Horizon and the IBT filed separate requests for NMB assistance in January 2010 in ongoing pilot negotiations open since the contract became amendable September 2006. Count is active Horizon pilots at Dec 31, 2009 (Item 1).
2009-12-31othercompleted4502009United StatesHorizon Air — aircraft techniciansMD&A
f5-10k / GLM-5.3-flash-HTML		Horizon technicians voted in 2009 for IBT representation, replacing AMFA. Count is active mechanics and related classifications at Dec 31, 2009 (Item 1).
2009-12-31restructuringcompleted20082009-12-31United StatesAlaska AirlinesUSD 13 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Work force reduction announced in Q3 2008; charge recorded in 2008. During 2009 the $7.2M beginning severance accrual was fully paid in cash, leaving a zero balance at 2009-12-31. Employees affected not disclosed.
2009-12-31restructuringcompleted20072009-12-31United StatesHorizon Air — Q200 fleet transitionUSD 9 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Fleet transition to all-Q400 fleet; final six Q200 aircraft removed from operation in Q1 2009 and disposed of during 2009. Employees affected not disclosed; 16 Q200 aircraft remain subleased to a third party.
2009-12-31othercompleted1,2532009-05-192009-05-19United StatesAlaska Airlines — PilotsUSD 36 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Ratification of new four-year ALPA pilot contract: $20.3M one-time ratification bonus plus $15.5M sick-leave payout transition expense. Affected count is the 1,253 active ALPA-represented pilots at 2009-12-31.
2009-12-31restructuringcompleted2008-09-30Alaska AirlinesUnion and Non-Union EmployeesUSD 13 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Announced in Q3 2008. Non-union employees terminated in Q3 2008 ($1.6M charge). Union personnel charge of $11.3M recorded in 2008. Accrual balance was $0 at end of 2009.
2009-09-30othercompleted2009-05-19United StatesAlaska Airlines — pilots (ALPA)USD 36 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New four-year pilot contract ratified; charge comprises a $20.3M ratification bonus and $15.5M sick-leave payout program transition expense, recorded in the nine months ended September 30, 2009. No employee count disclosed.
2009-09-30othercompleted2009-082011-10-17United StatesAlaska Airlines — aircraft techniciansMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Two-year contract extension agreed in August 2009; 1.5% pay scale increases in October 2009 and 2010, and technicians move from the Variable Pay Plan to the Performance-Based Pay Plan. Contract becomes amendable 2011-10-17.
2009-09-30otherannounced2009-102009-12United StatesAlaska Airlines — clerical, office and passenger service employees; ramp service and stores agents (IAM)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM presented two-year contract extension proposals in October 2009, including Performance-Based Pay participation and 1.5% pay increases in June 2010 and 2011; membership vote expected to conclude December 2009.
2009-09-30restructuringcompleted2008-07-01Alaska AirlinesUSD 4 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Reduction in workforce among union and non-union employees announced in Q3 2008. Charge represents severance payments and estimated medical coverage obligation.
2009-06-30othercompleted2009-05-19United StatesAlaska Airlines — pilot group (ALPA)USD 36 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Four-year contract ratified; includes ~14% average wage increase effective 2009-04-01, $20.3M one-time ratification bonus, and $15.5M transition charge for new sick-leave retirement payout program (combined $35.8M charge).
2009-06-30othercompleted2009-07United StatesHorizon Air — dispatchers (TWU)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-quarter ratification of a contract expiring October 2010; moves dispatchers from profit sharing to the Performance Based Pay plan beginning 2010.
2009-06-30othercompleted2009-08United StatesAlaska Airlines — aircraft techniciansMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-quarter ratification of a two-year contract extension, including a move from variable-pay incentive program to the Performance Based Pay plan.
2009-06-30otherin_progressUnited StatesAlaska Airlines — IAM-represented employeesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract extension offer including Performance Based Pay participation outstanding; not yet accepted as of filing.
2009-06-30restructuringcompleted2008-09-012009-06-30United StatesUnion and non-union employeesUSD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Obligation of $7.2 million as of Dec 31, 2008 for workforce reductions announced in Q3 2008 was relieved in the first six months of 2009.
2009-06-30othercompleted2009-05-192009-05-19United StatesPilotsUSD 36 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Ratification of new four-year pilot contract included $20.3 million one-time bonus and $15.5 million transition expense for sick-leave payout program.
2009-03-31restructuringin_progress2009-09-30United StatesAlaska Airlines (union and non-union employees)USD 13 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Workforce reductions announced in Q3 2008; $12.9M severance and medical charge recorded in 2008. Severance accrual fell from $7.2M at 2008-12-31 to $1.0M at 2009-03-31 after $6.2M of cash payments; majority of remaining payments expected in Q2-Q3 2009. Number of employees affected not disclosed.
2009-03-31othercompletedUnited StatesAlaska Airlines flight attendantsUSD 2 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Two-year contract extension ratified; $2.0M aggregate ratification bonus recorded in wages and benefits for Q1 2009. Includes 1.5% pay increases on 2010-05-01 and 2011-05-01 and participation in the performance-based incentive plan; contract amendable April 2012. Ratification date not specified.
2009-03-31otherannounced2009-05-31United StatesAlaska Airlines pilots (ALPA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative four-year agreement reached with ALPA; financial terms withheld pending pilot ratification vote expected late May 2009. Objectives included wage and productivity improvements, closing the defined benefit pension plan to new entrants, and a common profit-sharing program.
2009-03-31otherin_progressUnited StatesHorizon Air — pilots, flight attendants, technicians, dispatchersMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon reported ongoing negotiations with four work groups; no terms or completion dates disclosed.
2009-03-31othercompletedUnited StatesHorizon Air aircraft techniciansMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon aircraft technicians voted to be represented by the International Brotherhood of Teamsters, previously represented by the Aircraft Mechanics Fraternal Association; election date not disclosed.
2009-03-31restructuringin_progress2008-09-012009-09-30USD 1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Workforce reductions announced in Q3 2008. Remaining accrual of $1.0 million as of March 31, 2009. Majority of payments expected in Q2 and Q3 2009.
2008-12-31reduction_in_forcecompleted2008Alaska Airlines — non-union employeesUSD 2 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Announced in Q3 2008 as part of the Alaska work-force reduction; affected non-union employees were terminated in the third quarter of 2008, generating a $1.6 million severance charge. Employee count not disclosed.
2008-12-31reduction_in_forcein_progress2008Alaska Airlines — union employeesUSD 11 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Q3 2008 work-force reduction; $11.3 million charge for severance payments and estimated medical coverage for affected union employees. Program included extended leaves, a voluntary furlough program and an early-out package, plus involuntary furloughs. Combined with the $1.6 million non-union component, total 2008 restructuring charges were $12.9 million; restructuring accrual of $7.2 million at December 31, 2008, with the majority of remaining cash payments expected in Q1 2009. Employee count not disclosed.
2008-12-31reduction_in_forcein_progress2008Horizon Air — CRJ-700 fleet transitionUSD 1 (millions)other
f5-10k / GLM-5.3-flash-HTML		Severance recorded during 2008 in connection with the Board-approved (Q1 2008) plan to remove the CRJ-700 fleet from operations as Horizon transitions to an all-Q400 fleet; further exit-related charges were expected in 2009. Employee count not disclosed.
2008-12-31restructuringin_progress2008-09-30United StatesAlaska Airlines — union and non-union employeesUSD 13 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Announced during the third quarter of 2008 (exact date not disclosed); $1.6M for terminated non-union employees and $11.3M for union employees offered extended leaves, voluntary furlough and early-out packages plus involuntary furloughs. Severance accrual balance of $7.2M remained at year-end, with most cash payments expected in Q1 2009. No employees-affected count disclosed.
2008-12-31restructuringin_progress2008-03-31United StatesHorizon Air — CRJ-700 fleet exitUSD 1 (millions)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Board approved the CRJ-700 removal plan in the first quarter of 2008 (exact announcement date not disclosed); severance charges of $1.3M recorded during 2008 alongside a $5.5M impairment and $6.7M sublease loss. No employees-affected count disclosed; further charges expected in 2009 but not estimable at filing.
2008-12-31restructuringcompleted2008-09-012009-03-31United StatesAlaska AirlinesUSD 13 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Announced in Q3 2008. Includes non-union terminations and union voluntary/involuntary furloughs. Majority of remaining cash payments expected in Q1 2009. Employee count not explicitly disclosed.
2008-09-30reduction_in_forcecompletedUnited StatesAlaska Airlines — non-union employeesUSD 2 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced during the third quarter of 2008 (exact date not disclosed); affected non-union employees were terminated within the quarter. No headcount figure given.
2008-09-30restructuringin_progress2008-12-31United StatesAlaska Airlines — union employeesUSD 2 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program offers extended leaves, voluntary furlough and early-out packages plus involuntary furloughs. $2.1M is the minimum contractual obligation recorded in Q3; MD&A expects an incremental $15M-$20M charge in Q4 2008. No affected-employee count disclosed.
2008-09-30restructuringin_progress2008-04-232009-12-31United StatesHorizon Air — CRJ-700 fleet transition (pilot workforce)USD 1 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Board approved CRJ-700 retirement plan on 2008-04-23; $1.3M severance recorded for the nine months ended 2008-09-30, of which $0.7M fell in Q3. Fleet to be removed from operations by end of 2009. No headcount disclosed.
2008-09-30otherin_progressUnited StatesAlaska Airlines — pilots (ALPA collective bargaining)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilot contract became amendable 2007-05-01; ALPA requested and began National Mediation Board-assisted negotiations. No headcount or charge disclosed.
2008-09-30otherin_progressUnited StatesHorizon Air — pilots, flight attendants, dispatchers, techniciansMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Three contracts under negotiation; technicians contract becomes amendable 2008-11-30. No headcount or charge disclosed.
2008-09-30restructuringin_progress2008-09-30AlaskaUSD 4 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Alaska announced workforce reductions among union and non-union employees. Non-union terminations resulted in $1.6M severance. Union personnel offered extended leaves, voluntary furloughs, and early-out packages. $2.1M charge recorded for minimum contractual obligation. Incremental charge of $15M-$20M expected in Q4.
2008-09-30restructuringin_progress2008-04-23HorizonUSD 1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Horizon transition to all-Q400 fleet and removal of CRJ-700 fleet. $0.7M severance charge recorded in Q3 related to reduction in pilot workforce.
2008-06-30reduction_in_forceannounced2008-09-01United StatesAlaska management workforceUSD 4 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Cut of 5% or more of Alaska's management workforce effective September 1, 2008; expected charge of $3 million to $5 million in Q3 2008 (range midpoint shown as value).
2008-06-30reduction_in_forcecompletedUnited StatesHorizon management workforceMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon reduced its management workforce by 13% earlier in 2008; no headcount or charge amount disclosed.
2008-06-30layoffannouncedUnited StatesAlaska operational staffMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Reductions expected through furlough, voluntary leaves or other means alongside capacity cuts; further detail planned for early September 2008.
2008-06-30layoffannouncedUnited StatesHorizon operational and management positionsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Further reductions expected in connection with Horizon capacity cuts; a charge to earnings anticipated but not quantified.
2008-06-30restructuringin_progress2008-04-232009-12-31United StatesHorizon — CRJ-700 fleet transitionUSD 1 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance charge recorded in Q2 2008 tied to Board-approved plan to exit the CRJ-700 fleet; additional severance for other impacted employees, primarily Horizon pilots, expected in Q3 2008 but not yet quantified.
2008-06-30otherin_progress2007-05-01United StatesAlaska pilots (ALPA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilot contract became amendable May 1, 2007; ALPA has requested National Mediation Board assistance. Outcome and timing unknown.
2008-06-30restructuringannounced5%2008-06-302008-09-01ManagementUSD 4 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Alaska announced plans to reduce management workforce by 5% or more effective September 1, 2008, with an expected charge of $3 million to $5 million in the third quarter.
2008-06-30restructuringcompleted13%2008-06-302008-06-30ManagementMD&A
f5-10q / Qwen3.6-27B-Q8_0		Horizon reduced its management workforce by 13% earlier this year.
2008-06-30restructuringin_progress2008-04-232008-12-31PilotsUSD 1 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Horizon recorded a $0.6 million severance charge related to fleet transition. Further charges expected in Q3 for other impacted employees, primarily pilots.
2008-03-31otherin_progress2005-062008-06-30United States (Seattle)Alaska — ramp service operationsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM grievance alleging CBA violation through subcontracting of Seattle ramp operations; arbitration hearings concluded August 2007, with a decision expected in the first half of 2008. No affected-employee count or charge disclosed.
2007-12-31voluntary_separationcompleted2007-12-31United StatesAlaska Airlines — IAM and AFA represented employeesrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Program announced in 2006 (charge of $24.8M recorded in 2006); 2007 activity shown is $19.2M of cash payments with the accrual falling from $19.9M to $0.7M at year-end. Employees affected not quantified.
2007-12-31voluntary_separationcompleted2006-07-01United StatesAlaska AirlinesUSD 21 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Severance package offered to IAM employees in top four wage-scale steps. Charge recorded in 2006.
2007-12-31voluntary_separationcompleted2006-04-26United StatesAlaska AirlinesUSD 4 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Voluntary severance package for flight attendants. Charge recorded in 2006.
2007-12-31restructuringcompleted4752005-05-01Seattle, WashingtonAlaska AirlinesUSD 16 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Contracting out of ramp services at Seattle-Tacoma International Airport. Charge recorded in 2005.
2007-09-30voluntary_separationin_progress2006-072008-03-31United StatesAlaska Airlines — IAM-represented employeesUSD 29 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary severance package offered under new four-year IAM agreements reached July 2006; total charge of $28.6M was recorded in Q3 2006 (prior year). Severance accrual fell from $19.9M at Dec 31, 2006 to $1.4M at Sep 30, 2007 after $18.5M of cash payments; remaining payments expected within six months. Number of employees affected not disclosed.
2007-09-30otherin_progress2007-05-01United StatesAlaska Airlines — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilot contract became amendable May 1, 2007; new contract negotiations ongoing. Management notes pilot unit costs are among the highest in the industry and flags distraction and engagement risks from open contracts.
2007-09-30otherin_progress2006-09-12United StatesHorizon Air — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon pilot contract became amendable September 12, 2006; negotiations for a new agreement ongoing with no disclosed outcome or timeline.
2007-09-30otherin_progress2005-062008-06-30United StatesAlaska Airlines — ramp service operations, Seattleother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM grievance alleging CBA violation through subcontracting of Seattle ramp services; arbitration hearings ran January–August 2007, with a decision not expected until early to mid-2008. No affected-employee count disclosed.
2007-09-30voluntary_separationin_progress2006-07-012008-03-31United StatesAlaska AirlinesUSD 1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary severance package offered to employees represented by the International Association of Machinists in July 2006. Remaining accrual of $1.4 million as of Sept 30, 2007. Company expects to make remaining cash payments within the next six months.
2007-06-30voluntary_separationin_progress2006-072008-06-30United StatesAlaska Airlines — clerical, office, passenger service, ramp service and stores employees (IAM)USD 29 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary severance package offered under new four-year IAM agreements covering roughly 3,700 employees; charge recorded in Q3 2006. Severance accrual fell from $19.9M at 2006-12-31 to $1.9M at 2007-06-30 after $18.0M of cash payments; remaining payments expected within 12 months. Number of participating employees not disclosed.
2007-06-30otherin_progress2007-05-01United StatesAlaska Airlines — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilot contract became amendable May 1, 2007; new contract negotiations underway with no agreed outcome or timing. Management notes pilot unit costs are among the highest in the industry.
2007-06-30otherin_progress2006-09-12United StatesHorizon Air — pilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon pilot contract became amendable September 12, 2006; negotiations ongoing with no agreed outcome or timing disclosed.
2007-06-30voluntary_separationin_progress2006-07-012008-06-30Clerical, office, passenger service, ramp service, stores agentsUSD 2 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Accrual balance at June 30, 2007. Program announced July 2006. Company expects remaining payments within next 12 months.
2007-03-31voluntary_separationin_progress2006-07United StatesAlaska — clerical, office, passenger service, ramp service and stores employees (IAM-represented)USD 29 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance package offered under new four-year IAM agreements; $28.6M charge recorded in Q3 2006. Accrual was $19.9M at 2006-12-31, reduced by $9.6M of cash payments during Q1 2007 to $10.3M at 2007-03-31, with the majority of remaining payments expected in Q2 2007. Number of employees accepting the package not disclosed.
2007-03-31otherin_progressUnited StatesPilots — Alaska and HorizonMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Open pilot contract negotiations at both carriers: Horizon pilot contract became amendable September 2006; Alaska pilot contract became amendable 2007-05-01 (after quarter end). No agreements reached as of filing; no employee counts or charges disclosed.
2007-03-31otherin_progress2005-06United StatesAlaska — ramp service operations, Seattleother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM grievance alleging Alaska violated its collective bargaining agreement by subcontracting Seattle ramp service; arbitration hearings began January 2007 with a decision expected in fall 2007. No affected-employee count disclosed.
2007-03-31voluntary_separationin_progress2006-07-012007-06-30Clerical, office, passenger service, ramp service, stores agentsUSD 29 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance package offered to employees in top four wage-scale steps under new agreements reached in July 2006. Majority of remaining payments expected in Q2 2007.
2006-12-31voluntary_separationcompleted2006-04-26United StatesAlaska Airlines - Flight attendantsUSD 4 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Voluntary severance package offered alongside the new four-year AFA contract covering approximately 2,500 flight attendants; lump-sum of $2,000 per year of service up to 25 years plus continuing travel benefits. Charge of $2.4 million after tax; majority paid in Q3 2006. No acceptance count disclosed.
2006-12-31voluntary_separationcompleted2006-07United StatesAlaska Airlines - Clerical, office and passenger service; ramp service and storesUSD 21 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Severance package offered to employees in the top four wage-scale steps (cash based on service, one year of medical coverage, travel privileges) as part of new IAM agreements covering approximately 3,700 employees. Original Q3 charge of $28.6 million (including a $0.3 million pension curtailment loss) was reduced by $7.6 million in Q4 as employees withdrew; net 2006 charge of $13.1 million after tax. Remaining cash payments (majority) due in H1 2007 from a $19.9 million year-end severance accrual. Number of separated employees not disclosed.
2006-12-31othercompleted2,5002006-04-26United StatesAlaska Airlines - Flight attendantsUSD 3 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		New four-year contract with the Association of Flight Attendants ratified April 26, 2006; immediate 3% pay increase and aggregate signing bonus of $2.7 million paid May 2006 (recorded in wages and benefits). The related voluntary severance package is captured as a separate action.
2006-12-31othercompleted3,7002006-07United StatesAlaska Airlines - Clerical, office and passenger service; ramp service and storesUSD 2 (millions)MD&A
f5-10k / GLM-5.3-flash-HTML		Two new four-year agreements with International Association of Machinists-represented clerical, office and passenger service employees and ramp service agents/stock clerks (approximately 3,700 employees); immediate 2% wage increase and aggregate signing bonus of $1.9 million paid July 2006 (recorded in wages and benefits). The agreements also included the voluntary severance package captured as a separate action.
2006-12-31voluntary_separationcompleted2006-04-262006-12-31United StatesAlaska Airlines — Flight attendantsUSD 4 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Voluntary severance package offered alongside a new four-year AFA contract ratified 2006-04-26; majority paid in Q3 2006. Charge $2.4M after tax.
2006-12-31voluntary_separationcompleted2006-07-012006-12-31United StatesAlaska Airlines — Clerical, office and passenger service; ramp service and stores agents (IAM)USD 21 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Original Q3 charge of $28.6M (incl. $0.3M pension curtailment) reduced by $7.6M in Q4 as employees withdrew; $13.1M after tax. Covers ~3,700 IAM-represented employees eligible for the package.
2006-12-31restructuringin_progress2006-03-012008-12-31United StatesAlaska Airlines — MD-80 fleet transitionUSD 190 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Accelerated retirement of the MD-80 fleet (15 owned, 11 leased at announcement) approved March 2006; $131.1M impairment in Q1 plus $58.4M in Q3. Employees affected not disclosed.
2006-12-31restructuringin_progress2006-07-072007-04-30United StatesAlaska Airlines — B737-200 fleet disposalrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Purchase-and-sale agreement to sell six B737-200 aircraft with delivery through April 2007; seventh aircraft donated to a museum. Nominal gains recorded; workforce impact not disclosed.
2006-12-31restructuringin_progress2006-09-012008-06-30United StatesHorizon Air — Q200 sublease programrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Letter of intent to sublease up to 16 Q200 aircraft departing the fleet Jan 2007 through mid-2008; expected charge of approximately $1.5M-$2M per aircraft, recorded as each aircraft leaves the fleet. Employees affected not disclosed.
2006-12-31othercompleted2006-07-012007-12-31United StatesHorizon Air — Frontier JetExpress program exitItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Announced Q3 2006; nine CRJ-700 aircraft returning to Horizon's fleet during 2007 for redeployment. Program represented ~23% of Horizon capacity and ~8% of passenger revenue in 2006. Employees affected not disclosed.
2006-12-31voluntary_separationcompleted2006-04-26AlaskaFlight AttendantsUSD 4 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Voluntary severance package for flight attendants; lump-sum payment of $2,000 per year of service up to 25 years.
2006-12-31voluntary_separationcompleted2006-07-01AlaskaClerical, Office, Passenger Service, Ramp ServiceUSD 21 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Severance package for employees in top four wage-scale steps; cash payments based on years of service.
2006-12-31restructuringcompleted4752005-05-13SeattleRamp ServicesUSD 16 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Subcontracting of Seattle ramp services resulted in reduction of approximately 475 employees. Charge recorded in 2005, but activity relevant to workforce composition in 2006 context.
2006-09-30voluntary_separationin_progress2007-03-31United StatesAlaska Airlines — IAM-represented clerical, office and passenger service employees and ramp service/stores agents (approx. 3,700 employees under new contract)USD 29 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Four-year agreements reached in July 2006 included a severance package offered to employees in the top four wage-scale steps; charge includes a $0.3M pension curtailment loss. Number of employees electing severance not disclosed. Majority of remaining cash payments expected in Q4 2006 and Q1 2007.
2006-09-30voluntary_separationin_progress2006-04-26United StatesAlaska Airlines — AFA-represented flight attendants (approx. 2,500 under new contract)USD 4 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract ratified April 26, 2006; voluntary severance package of $2,000 per year of service up to 25 years. Charge recorded in Q2 2006 and included in nine-month restructuring charges of $32.4M; majority paid in Q3 2006. Number of participating employees not disclosed.
2006-09-30otherannounced2008-06-30United StatesHorizon Air — Frontier JetExpress contract flying (nine CRJ700 aircraft)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced during Q3 2006 that Horizon would discontinue contract flying with Frontier; aircraft transition back to Horizon's fleet beginning Q1 2007 over about one year. No headcount impact quantified; company does not expect a material impact on results.
2006-09-30otherannouncedUnited StatesAlaska Airlines — pilots (Air Line Pilots Association)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Company stated it would begin negotiations for a new pilot collective bargaining agreement in November 2006; current arbitrated agreement becomes amendable May 1, 2007.
2006-09-30voluntary_separationin_progress2006-07-012007-03-31United StatesClerical, office, passenger service, ramp service, stores agentsUSD 29 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance package offered to employees in top four wage-scale steps under new IAM agreement. Majority of remaining payments expected in Q4 2006 and Q1 2007.
2006-09-30voluntary_separationcompleted2006-04-262006-09-30United StatesFlight AttendantsUSD 4 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary severance package for flight attendants under new AFA agreement. Majority paid in third quarter.
2006-06-30voluntary_separationin_progress1002006-04-262006-09-30United StatesFlight attendants (Alaska Airlines)USD 4 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary severance offered alongside a new four-year flight attendant contract ratified April 26, 2006; lump sum of $2,000 per year of service up to 25 years plus continuing travel benefits. Charge recorded in Q2 2006; majority of remaining cash payments expected in Q3 2006. Severance accrual balance at June 30, 2006 was $3.8 million.
2006-06-30voluntary_separationannounced2006-072006-09United StatesClerical, office and passenger service employees, ramp service agents and stock clerks (Alaska Airlines, IAM-represented)USD 20 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance package offered to employees in the top four wage-scale steps under a new four-year IAM agreement reached in July 2006 (also includes $500 signing bonus per employee, ~$1.9 million aggregate, and an immediate 2% wage increase). Approximately 1,400 employees eligible; final charge unknown until uptake is known, expected September 2006. The ~$20 million charge is an illustrative estimate assuming one quarter of eligible employees accept.
2006-06-30voluntary_separationcompleted1002006-04-262006-09-30United StatesFlight AttendantsUSD 4 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Voluntary severance package for flight attendants under new four-year contract ratified April 26, 2006. Charge of $3.8 million recorded in Q2 2006. Payments expected in Q3 2006.
2006-06-30voluntary_separationannounced2006-07-012006-09-30United StatesClerical, office, passenger service, ramp service, stock clerkssubsequent_events
f5-10q / Qwen3.6-27B-Q8_0		New agreement with IAM reached July 2006. Severance package offered to ~1,400 eligible employees in top four wage-scale steps. Charge amount unknown until acceptance count known in Sept 2006. Illustrative charge of $20M if 25% accept.
2006-03-31othercompleted2,5002006-04-26United StatesFlight attendants — Alaska AirlinesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent-event collective bargaining outcome: four-year contract with the Association of Flight Attendants ratified April 26, 2006, covering approximately 2,500 flight attendants; includes an immediate 3% pay increase and average signing bonus of about $1,100. Count reflects covered employees, not separations.
2006-03-31voluntary_separationannounced2006-06-30United StatesFlight attendants — Alaska AirlinesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Voluntary severance package offered to a number of flight attendants under the new contract: lump-sum payment of $2,000 per year of service up to 25 years plus continuing travel benefits. Company expects lump-sum payments of approximately $5 million to $7 million in Q2 2006 based on initial responses; number of participating employees not disclosed. Announcement date not stated in the filing.
2006-03-31restructuringin_progress4752005-04-01SeattleRamp servicesUSD 16 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Reduction of approximately 475 employees in Seattle due to contracting out ramp services at Seattle-Tacoma International Airport. Original estimate $16.1 million recorded in Q2 2005. Accrual balance $1.5 million at March 31, 2006.
2006-03-31voluntary_separationannounced2006-04-26Flight AttendantsUSD 6 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Voluntary severance package offered to flight attendants following contract ratification. Lump-sum payment expected to be approximately $5 million to $7 million in the second quarter.
2005-12-31restructuringcompleted4752005-05-132005-05-13Seattle, Washington (Seattle-Tacoma International Airport)Alaska Airlines - ramp services (ground operations)USD 16 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Ramp operations subcontracted to a third party effective May 13, 2005 after the IAM rejected the company's contract offer, immediately eliminating approximately 475 positions. Severance package (service-based cash, one year of medical coverage, travel benefits) accepted June 2005; $16.1M charge recorded in Q2 2005. Net 2005 restructuring charges of $20.4M also include Oakland closure charges and a $(3.7)M adjustment to prior accruals.
2005-12-31plant_closurecompleted2005-032005-03-31Oakland, CaliforniaAlaska Airlines - heavy maintenance baseUSD 8 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Closure originally announced in Q3 2004 as part of a broader restructuring that reduced roughly 900 employees; the associated workforce reduction occurred in 2004 and is not separately quantified for Oakland. Lease with the Port of Oakland terminated March 2005; Q1 2005 charges comprised $7.7M impairment of abandoned leasehold improvements plus $0.3M termination costs.
2005-12-31othercompleted1,4502005-05-01Alaska Airlines - pilots (ALPA)MD&A
f5-10k / GLM-5.3-flash-HTML		Labor contract event, not a headcount action. New contract imposed via binding arbitration after negotiations failed; effective May 1, 2005 and amendable May 1, 2007, with an average 26% pilot wage reduction. Covers the 1,450 pilots listed in the Item 1 union contract table.
2005-12-31othercompleted7072005Alaska Airlines - mechanics, inspectors and cleaners (AMFA)MD&A
f5-10k / GLM-5.3-flash-HTML		Labor contract event, not a headcount action. New four-year agreement reached in Q4 2005 covering approximately 700 aircraft technicians (707 per Item 1 union table), including a market-based wage increase of about 10% and a one-time $1,000 bonus per employee paid in Q4 2005; amendable 2009-10-01.
2005-12-31othercompleted342005Alaska Airlines - dispatchers (TWU)MD&A
f5-10k / GLM-5.3-flash-HTML		Labor contract event, not a headcount action. New five-year agreement reached in 2005 covering 34 dispatchers; contains an interest arbitration provision and is amendable 2010-07-01.
2005-12-31othercompleted212005-10Horizon Air - dispatchers (TWU)MD&A
f5-10k / GLM-5.3-flash-HTML		Labor contract event, not a headcount action. Three-year agreement reached in October 2005 covering 21 dispatchers; amendable 2007-09-09.
2005-12-31othercompleted4502005Horizon Air - mechanics and fleet service agents (AMFA)MD&A
f5-10k / GLM-5.3-flash-HTML		Labor contract event, not a headcount action. Three-year agreement reached in Q4 2005 covering 450 mechanics and fleet service agents; amendable 2008-11-30.
2005-12-31plant_closurecompleted2005-032005-12-31Oakland, CaliforniaAlaska Airlines — heavy maintenance baseUSD 8 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		First-quarter 2005 charge for terminating the Oakland heavy maintenance hangar lease; comprises $7.7M leasehold impairment plus $0.3M lease termination costs. No accrual remaining at 2005-12-31; headcount impact not separately quantified for 2005.
2005-12-31restructuringcompleted4752005-05-132005-06-30Seattle, WashingtonAlaska Airlines — Seattle ramp operationsUSD 16 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Seattle-Tacoma ramp services subcontracted to a third party effective 2005-05-13, reducing approximately 475 IAM-represented employees; labor group accepted severance packages in June 2005. Net 2005 restructuring charge was $20.4M ($12.7M after tax) after a $3.7M adjustment.
2005-12-31restructuringcompleted4752005-05-132005-12-31SeattleRamp ServicesUSD 16 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Subcontracting of Seattle ramp operations resulted in immediate reduction of approximately 475 employees. Charge recorded in Q2 2005.
2005-12-31restructuringcompleted2005-03-012005-12-31OaklandHeavy MaintenanceUSD 8 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Termination of lease at Oakland heavy maintenance base. Includes asset impairment and rental charges. No specific employee count disclosed for this action in 2005.
2005-09-30restructuringin_progress4752005-05-13Seattle, Washington, United StatesRamp services (Alaska Airlines)USD 16 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subcontracting of Seattle ramp operations reduced about 475 IAM-represented positions; severance estimated at $16.1M recorded in Q2 2005. Accrual balance $7.1M at 2005-09-30, with most remaining cash payments expected in Q4 2005. Subcontracting is subject to pending IAM litigation.
2005-09-30plant_closurein_progress2005-03Oakland, California, United StatesHeavy maintenance base (Alaska Airlines)USD 8 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Port of Oakland notified of hangar lease termination as part of ongoing restructuring; $7.7M impairment of abandoned leasehold improvements plus a $0.3M lease-termination charge recorded in Q1 2005. No employee count disclosed for this action.
2005-09-30otherannounced700United StatesAircraft technicians (Alaska Airlines)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent to quarter-end, Alaska reached a four-year AMFA contract covering about 700 technicians, with roughly a 10% market-based wage increase and a one-time $1,000 bonus per employee.
2005-09-30otherannounced212005-10United StatesDispatchers (Horizon Air)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In October 2005 Horizon reached a three-year contract with the Transport Workers Union covering 21 dispatchers.
2005-09-30otherannounced4002005-12-31United StatesMechanics and fleet service agents (Horizon Air)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative three-year AMFA agreement covering more than 400 Horizon mechanics and fleet service agents; ratification vote expected by union members in Q4 2005.
2005-09-30restructuringin_progress4752005-04-012005-12-31SeattleRamp servicesUSD 16 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Contracted out ramp services at Seattle-Tacoma International Airport. Majority of remaining cash payments expected in Q4 2005.
2005-09-30restructuringin_progress2004-07-012005-12-31OaklandMaintenance and ground supportUSD 28 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Closure of Oakland heavy maintenance base and contracting out of fleet service/ground support. Original 2004 charge. Q3 2005 recorded $1.4M positive adjustment.
2005-06-30restructuringcompleted4752005-05-13Seattle, WashingtonAlaska Airlines — ramp / ground handling servicesUSD 16 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ramp operations subcontracted to a third party effective May 13, 2005, cutting about 475 IAM-represented jobs. Severance package accepted by IAM in June 2005. Gross charge $16.1M; net Q2 restructuring charge $14.7M after a $1.4M adjustment to the prior-year accrual. Severance accrual $23.3M at June 30, 2005 with most remaining cash payments in Q3-Q4 2005. IAM counterclaim and injunction motion (denied June 2, 2005) remain pending.
2005-06-30plant_closurecompleted2005-03Oakland, CaliforniaAlaska Airlines — heavy maintenance baseUSD 8 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Port of Oakland notified of hangar lease termination as part of the ongoing restructuring; $7.7M impairment of abandoned leasehold improvements plus $0.3M of lease termination costs, all paid by June 30, 2005. No employee count disclosed for this action. Relates to the Oakland heavy maintenance base closure announced under the 2004 restructuring program.
2005-06-30restructuringin_progress2004United StatesAlaska Airlines — management reorganization; fleet service, ground support equipment and facility maintenance functionsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program announced in Q3 2004 (management reorganization, Oakland heavy maintenance base closure, contracting out of fleet service / GSE / facility maintenance and other initiatives). $53.4M charged in 2004 with $38.7M accrued at Dec 31, 2004. During H1 2005: no new charges, $(2.0)M of adjustments (revised medical coverage estimates and affected-employee counts), $29.5M of cash payments, leaving $23.3M combined with the Seattle ramp action at June 30, 2005. No employee count disclosed in this filing.
2005-06-30othercompleted2005-05-01United StatesAlaska Airlines — pilots (ALPA)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Binding arbitration decision effective May 1, 2005 cut average pilot wages about 26%, changed work rules for productivity gains, and raised employee health care contributions; no pension changes. A later tentative 20% across-the-board wage cut was rejected by pilots on July 11, 2005, so the arbitrated contract stands and becomes amendable May 1, 2007. ALPA filed suit to vacate the decision; motion to dismiss filed July 21, 2005 with a ruling expected in Q3 2005. No headcount reduction disclosed.
2005-06-30restructuringin_progress4752005-04-012005-12-31SeattleRamp ServicesUSD 16 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Subcontracting of ramp services at Seattle-Tacoma International Airport. Severance and related costs estimated at $16.1 million. Majority of remaining cash payments expected in Q3 and Q4 2005.
2005-06-30plant_closurecompleted2005-03-012005-06-30OaklandHeavy MaintenanceUSD 8 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Termination of lease for Oakland hangar. Recorded impairment charge of $7.7 million for leasehold improvements to be abandoned. No specific employee count disclosed for this closure.
2005-03-31restructuringin_progress90020042005-06-30United States (Oakland, California heavy maintenance base; company-wide)Alaska Airlines — management reorganization, Oakland heavy maintenance base closure, contracted-out fleet service, ground support equipment and facility maintenance, maintenance shopsUSD 7 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced during Q3 2004; expected to reduce approximately 900 employees when fully implemented through the first half of 2005. Q1 2005 charge of $7.4M is the write-off of Oakland leasehold improvements plus $0.3M lease termination costs. Severance accrual: $38.7M at 12/31/04, less $0.6M medical-coverage adjustment and $20.3M cash payments, equals $17.8M at 3/31/05; original severance estimate of $53.4M was recorded in 2004. Expected annual savings approximately $35M when fully implemented.
2005-03-31otherannounced2005-05-01United StatesAlaska Airlines — pilots (Air Line Pilots Association, ALPA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Binding interest arbitration on ten contract issues plus wage rates became effective May 1, 2005 (after quarter end). Result: average pilot wage reduction of approximately 26%, work rule changes, higher employee health care contributions; no changes to pension or profit sharing. Number of pilots affected not disclosed.
2005-03-31otherannouncedUnited States (Seattle, Washington)Alaska Airlines — ramp workers (International Association of Machinists, IAM)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract offer presented to IAM including voluntary severance, wage reductions and work rule changes; work group voting on the offer. Company executed an agreement with a third party to provide Seattle ramp operations if no negotiated agreement is reached; otherwise may subcontract Seattle ramp operations.
2005-03-31otherin_progressUnited StatesHorizon Air — mechanics and related classifications (American Mechanics Fraternal Association, AMFA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon continues negotiations with AMFA using a mediator from the National Mediation Board; no headcount or compensation figures disclosed.
2005-03-31restructuringin_progress9002004-07-012005-06-30United StatesManagement, Maintenance, Fleet Service, Ground SupportUSD 53 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Program announced Q3 2004. Includes management reorganization, Oakland heavy maintenance base closure, and contracting out of fleet service/ground support. Expected to reduce approx 900 employees. Severance estimated at $53.4M in 2004. Q1 2005 cash payments $20.3M. Adjustment of $0.6M recorded to reduce accrual.
2005-03-31plant_closurein_progress2005-03-31Oakland, CaliforniaMaintenanceUSD 8 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Termination of lease for Oakland hangar. Charge includes $7.7M asset impairment and $0.3M lease termination costs. Part of ongoing restructuring efforts.
2004-12-31restructuringin_progress9002004-082005-06-30United StatesAlaska Airlines — management reorganization; closure of Oakland heavy maintenance base; contracting out of heavy maintenance, fleet service, ground support equipment and facility maintenance functionsUSD 53 (millions)restructuring_footnote
f5-10k / GLM-5.3-flash-HTML		Program announced in the third quarter of 2004, with initiatives announced in August and September. Estimated severance and related costs of $53.4 million: $27.5 million recorded in Q3 2004 and $25.9 million in Q4 2004. Cash payments of $14.7 million made in 2004, leaving an accrual balance of $38.7 million at December 31, 2004; majority of cash payments expected in H1 2005. Reduction of approximately 900 employees when fully implemented in the first half of 2005; expected annual savings of approximately $35 million. Severance package includes cash payments based on years of service plus one year of medical coverage, with the medical claims cost accrued. Accrual to be adjusted quarterly during 2005.
2004-12-31restructuringin_progress9002004-082005-06-30United States (primarily Oakland, California and system-wide)Alaska Airlines — management reorganization, Oakland heavy maintenance base, fleet service, ground support equipment and facility maintenanceUSD 53 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Program announced in August and September 2004; charge of $53.4M recorded ($27.5M in Q3, $25.9M in Q4), $14.7M paid in 2004, $38.7M accrual at year-end. Approximately 900 positions to be reduced when fully implemented in the first half of 2005; expected annual savings ~$35M. Filer also notes possible further outsourcing/restructuring charges in 2005.
2004-12-31restructuringin_progress9002004-09-012005-06-30United StatesAlaska AirlinesUSD 53 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Announced in Q3 2004. Includes management reorganization, closure of Oakland heavy maintenance base, and contracting out of fleet service and ground support equipment. Expected to result in reduction of approx 900 employees when fully implemented in first half of 2005.
2004-09-30restructuringin_progress900United StatesAlaska Airlines — management reorganization, Oakland maintenance base closure, and outsourcing of fleet service, ground equipment and facility maintenanceUSD 28 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced in late August and early September 2004 (no exact date given). Approximately 900 positions to be reduced when fully implemented during 2005. Total severance estimated at $50-55M, of which $27.5M recorded in Q3 2004 and $23-27M expected in Q4 2004; $26.3M accrued at 9/30/04 after $1.2M cash payments. Includes a $1.0M SFAS 88 curtailment charge. Additional asset impairment from the initiatives was under evaluation and would be incremental. Expected annual savings ~$35M.
2004-09-30otherin_progress2005-05-31United StatesAlaska Airlines — pilots (Air Line Pilots Association collective bargaining)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilot contract negotiations ongoing; absent agreement the parties go to binding arbitration with a decision effective May 2005 covering wages plus five issues. Company states wages and benefits are now more than $112M above market, with pilot costs representing the majority. No employee count or strike disclosed.
2004-09-30restructuringin_progress9002004-09-012005-12-31United StatesManagement, Maintenance, Fleet Service, Ground Equipment, Facility MaintenanceUSD 53 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Announced management reorganization and closure of Oakland maintenance base. Expected reduction of approx 900 employees when fully implemented in 2005. Total severance estimated at $50-$55 million; $27.5 million recorded in Q3 2004, $23-$27 million expected in Q4 2004.
2004-06-30othercompleted2004-05United StatesAlaska Airlines — PilotsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pilots received a 4% wage rate increase in May 2004 under the union contract; represented about 31.4% of the quarter's wages-and-benefits increase. No employee count disclosed.
2003-09-30otherannounced2003-06-012005-12-31United StatesAlaska AirlinesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Alaska met with labor union leaders to begin dialog on cost structure and positioning for growth. Seeking to lower operating cost per ASM excluding fuel to 7.25 cents by 2005.
2003-06-30otherin_progress2003-06United StatesAlaska Airlines — labor unionsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In June 2003 Alaska began a dialog with labor union leaders on cooperating to improve cost structure, profitability, growth and job security; no negotiation outcome, affected-employee count or charge disclosed.
2003-06-30otherin_progress2003-06-012005-12-31United StatesAlaska AirlinesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Alaska met with labor union leaders in June 2003 to begin dialog on cost structure and positioning for growth. Goal to lower operating cost per ASM excluding fuel to 7.25 cents by 2005.
2002-09-30otherin_progressUnited StatesClerical, Office and Passenger Service (COPS) employees — Alaska Airlinesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Collective bargaining negotiations continuing with the International Association of Machinists and Aerospace Workers; the COPS contract became amendable on 2002-10-29 (after quarter end).
2002-09-30otherin_progressUnited StatesMechanics, inspectors and cleaners — Alaska Airlinesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Negotiations with the Aircraft Mechanics Fraternal Association (AMFA) started during Q3 2002; contract amendable 2002-12-25.
2002-09-30otherin_progress29United StatesDispatchers — Alaska Airlines (Transit Workers Union)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract covering 29 dispatchers became amendable 2002-08-09; parties agreed a five-year term on all issues except hourly wage rates, submitted to interest arbitration with resolution hoped for in Q4 2002.
2002-09-30otherin_progressUnited StatesFlight attendants — Horizon Air (Association of Flight Attendants)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Negotiations continuing; contract amendable 2003-01-28.
2002-09-30otherin_progressUnited StatesMechanics and related classifications — Horizon Air (AMFA)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Negotiations with AMFA (which recently replaced the Transport Workers Union) started during Q3 2002; contract amendable 2002-12-15.
2001-12-31voluntary_separationcompleted2000-01-012000-12-31Alaska AirlinesFlight AttendantsUSD 2 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Flight attendant early retirement program charge incurred in 2000, referenced in 2001 comparison.
2001-12-31voluntary_separationcompleted2001-01-012001-12-31United StatesAlaska Airlines - Flight AttendantsUSD 2 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Flight attendant early retirement program charge of $1.8 million included in 2001 wages and benefits.
2001-09-30othercompleted2001-09-30United StatesAlaska Airlines — PilotsUSD 6 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		During Q3 2001 Alaska and ALPA agreed to a two-year contract extension to April 30, 2005, with an 11.05% pay increase retroactive to June 1, 2001 (plus 5% in 2002 and 4% in 2003 and 2004). MD&A cites approximately $6.1 million of retroactive pilot pay expense in Q3 2001. Exact announcement date not stated; date shown is quarter-end.
2001-09-30othercompleted2001-09-30United StatesHorizon Air — PilotsUSD 1 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon and IBT reached tentative agreement on a five-year pilot contract in July 2001, ratified by pilots in September 2001; new contract effective September 2001 added about $0.6 million of wage and benefit expense for September. Exact ratification date not stated; date shown is quarter-end.
2001-06-30otherannounced2001-072001-09United StatesHorizon Air — pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Tentative five-year collective bargaining agreement with IBT covering Horizon's pilots reached in July 2001; subject to pilot ratification vote expected September 2001. No headcount impact disclosed.
2001-06-30othercompleted2001-052001-05United StatesAlaska Airlines — pilots flying Boeing 737-900other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Effective May 2001, Alaska began paying an 11% higher pay rate to pilots impacted by the 737-900 aircraft. Compensation change only; no headcount change disclosed.
2000-12-31voluntary_separationcompletedUnited StatesAlaska Airlines — Flight AttendantsUSD 2 (millions)MD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Early retirement program for flight attendants included in 2000 wages and benefits expense. Number of participants and program dates not disclosed.
2000-12-31voluntary_separationcompleted2000-01-012000-12-31Alaska AirlinesFlight AttendantsUSD 2 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Flight attendant early retirement program charge of $1.8 million included in wages and benefits.
2000-09-30voluntary_separationcompletedUnited StatesAlaska Airlines — flight attendantsUSD 3 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		MD&A discloses a $2.9 million charge for a flight attendant early retirement program included in 2000 results; no employee count, announcement date, or completion timing is given.
2000-09-30voluntary_separationcompleted2000-09-302000-09-30United StatesAlaska AirlinesUSD 3 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Flight attendant early retirement program charge included in wages and benefits.
2000-06-30otherin_progressUnited StatesHorizon Air — approximately 600 pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Federal mediator assigned in first quarter 1999 to assist Horizon and the International Brotherhood of Teamsters in negotiating an initial labor contract for roughly 600 pilots; further negotiations planned for Q3 2000. Exact announcement date not disclosed.
2000-06-30otherin_progress2000-03-01United StatesHorizon AirPart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Federal mediator assigned to assist Horizon and International Brotherhood of Teamsters in negotiation of initial labor contract covering approximately 600 pilots.
2000-03-31otherin_progress600United StatesHorizon Air — pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Federal mediator assigned in Q1 1999 to assist Horizon and the International Brotherhood of Teamsters in negotiating an initial contract covering approximately 600 pilots; further negotiations planned for Q2 2000. No announcement date stated in this filing.
2000-03-31otherin_progress2000-04-012000-06-30United StatesAlaska Airlines — maintenance, flight operations, hazardous materials handling, securityMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In April 2000 an independent team of outside safety experts began a full audit expected to take two months; Alaska also established a safety hotline in March 2000 and is hiring a vice president of safety reporting to the chairman. No headcount impact quantified.
2000-03-31otherin_progress2000-01-31CaliforniaAlaska AirlinesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Flight 261 accident resulted in 88 fatalities (83 passengers, 5 crew). Company canceled 6% of flights in Feb and 3% in Mar due to added maintenance inspections.
2000-03-31otherin_progress600Horizon Airother
f5-10q / Qwen3.6-27B-Q8_0		Negotiations for initial labor contract covering approximately 600 pilots with International Brotherhood of Teamsters.
1999-09-30othercompleted1,1001999-06United StatesAircraft maintenance technicians, technician helpers, janitors and fleet service employees (Alaska Airlines)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ratification of a new 42-month collective bargaining contract; enhanced pay, retirement, health and 401(k) benefits, union shop, and binding arbitration on certain issues. Contract amendable December 25, 2002.
1999-09-30othercompleted2,0001999-10United StatesFlight attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent event: ratification of a new four-year contract with wage rate increases, benefit improvements, work rule changes and scheduling flexibility. Contract amendable October 2003.
1999-09-30othercompleted3,3001999-10United StatesClerical, office and passenger service employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent event: ratification of a new three-year contract with wage rate increases and benefit improvements including a 401(k) match. Contract amendable October 29, 2002.
1999-09-30otherin_progress1,000United StatesRamp service and stock clerk employees (Alaska Airlines, IAM)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ongoing negotiation of a new contract with the International Association of Machinists, assisted by a federal mediator; no announcement date disclosed.
1999-09-30otherin_progress6001999-03United StatesPilots (Horizon Air, International Brotherhood of Teamsters)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Federal mediator assigned during first quarter 1999 to assist negotiation of an initial labor contract; further negotiations planned for Q4 1999. Announcement date reflects mediator assignment quarter, month inferred.
1999-09-30othercompleted1,1001999-06-01Aircraft maintenance technicians, technician helpers, janitors and fleet service employeesother
f5-10q / Qwen3.6-27B-Q8_0		New 42-month contract ratified in June 1999 covering approximately 1,100 employees.
1999-09-30othercompleted2,0001999-10-01Flight attendantsother
f5-10q / Qwen3.6-27B-Q8_0		New four-year contract ratified in October 1999 covering approximately 2,000 flight attendants.
1999-09-30othercompleted3,3001999-10-01Clerical, office and passenger service employeesother
f5-10q / Qwen3.6-27B-Q8_0		New three-year contract ratified in October 1999 covering approximately 3,300 employees.
1999-09-30otherin_progress1,000Rampservice and stock clerk employeesother
f5-10q / Qwen3.6-27B-Q8_0		Alaska and IAM continuing negotiation of new contract with federal mediator assistance.
1999-09-30otherin_progress600Pilotsother
f5-10q / Qwen3.6-27B-Q8_0		Horizon and Teamsters negotiating initial labor contract with federal mediator assistance.
1999-06-30othercompleted1,1001999-06United StatesAlaska Airlines — aircraft maintenance technicians, technician helpers, janitors and fleet service employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New 42-month collective bargaining contract ratified in June 1999 covering approximately 1,100 employees; establishes enhanced pay, retirement, health and 401(k) benefits, a union shop, and binding arbitration on certain issues. Amendable December 25, 2002.
1999-06-30otherin_progress1,900United StatesAlaska Airlines — flight attendants (Association of Flight Attendants)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Negotiation of a new labor contract covering approximately 1,900 flight attendants was ongoing as of the filing date.
1999-06-30otherin_progress1,000United StatesAlaska Airlines — ramp service and stock clerk employees (IAM)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract negotiation covering approximately 1,000 employees continuing with the assistance of a federal mediator.
1999-06-30otherin_progress3,300United StatesAlaska Airlines — clerical, office and passenger service employees (IAM)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Contract negotiation covering approximately 3,300 employees continuing with the assistance of a federal mediator.
1999-06-30otherin_progress600United StatesHorizon Air — pilots (International Brotherhood of Teamsters)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Initial labor contract covering approximately 600 pilots; a federal mediator was assigned in Q1 1999, one week of talks occurred in June 1999, with further negotiations planned for August 1999.
1999-06-30othercompleted1,1001999-06-30Aircraft maintenance technicians, technician helpers, janitors and fleet service employeesother
f5-10q / Qwen3.6-27B-Q8_0		New 42-month contract ratified in June 1999 covering approximately 1,100 employees.
1999-06-30otherin_progress1,900Flight attendantsother
f5-10q / Qwen3.6-27B-Q8_0		Continuing negotiation of new labor contract covering approximately 1,900 flight attendants.
1999-06-30otherin_progress1,000Rampservice and stock clerk employeesother
f5-10q / Qwen3.6-27B-Q8_0		Continuing negotiation of new contract with assistance of federal mediator covering approximately 1,000 employees.
1999-06-30otherin_progress3,300Clerical, office and passenger service employeesother
f5-10q / Qwen3.6-27B-Q8_0		Continuing negotiation with assistance of federal mediator covering approximately 3,300 employees.
1999-06-30otherin_progress600Pilotsother
f5-10q / Qwen3.6-27B-Q8_0		Horizon and Teamsters negotiating initial labor contract covering approximately 600 pilots with federal mediator assistance.
1999-03-31otherin_progress1,700United StatesAlaska Airlines — Flight Attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Count is approximate number of flight attendants covered by new labor contract negotiations that began during Q1 1999 with the Association of Flight Attendants; not a separation count.
1999-03-31otherin_progress1,000United StatesAlaska Airlines — Rampservice and Stock Clerksother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximate headcount covered by ongoing IAM contract negotiations assisted by a federal mediator; not a separation count.
1999-03-31otherin_progress3,200United StatesAlaska Airlines — Clerical, Office and Passenger Serviceother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximate headcount covered by continuing IAM contract negotiations; not a separation count.
1999-03-31otherin_progress1,100United StatesAlaska Airlines — Mechanics, Inspectors and Cleanersother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximate headcount covered by continuing negotiations of an initial contract with AMFA; not a separation count.
1999-03-31otherin_progress600United StatesHorizon Air — Pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximate pilot headcount covered by initial contract negotiations with the International Brotherhood of Teamsters; a federal mediator was assigned during Q1 1999. Not a separation count.
1999-03-31otherin_progress1,7001999-03-31Flight AttendantsPart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Negotiation of new labor contract covering approximately 1,700 flight attendants.
1999-03-31otherin_progress1,0001999-03-31Rampservice and Stock ClerkPart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Negotiation of new contract with IAM covering approximately 1,000 employees.
1999-03-31otherin_progress3,2001999-03-31Clerical, Office and Passenger ServicePart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Negotiation of new contract with IAM covering approximately 3,200 employees.
1999-03-31otherin_progress1,1001999-03-31Mechanics, Inspectors and CleanersPart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Negotiation of initial contract with AMFA covering approximately 1,100 employees.
1999-03-31otherin_progress6001999-03-31PilotsPart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Horizon and Teamsters negotiating initial labor contract covering approximately 600 pilots.
1998-09-30otherin_progressUnited StatesAlaska Airlines — mechanics, inspectors, cleaners, janitors and fleet service employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Election held during first quarter 1998 (exact date not disclosed) moved these employees from IAM to AMFA representation; initial contract negotiations began July 1998.
1998-09-30otherin_progressUnited StatesAlaska Airlines — stock clerks and ramp service employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM contract became amendable August 31, 1997; negotiations continue with a federal mediator. Headcount covered not disclosed.
1998-09-30othercompleted400United StatesHorizon Air — mechanics and related classificationsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		New three-year contract with the Transport Workers Union of America signed during second quarter 1998 (exact date not disclosed), covering approximately 400 employees.
1998-09-30otherin_progress500United StatesHorizon Air — pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Initial contract negotiations with the International Brotherhood of Teamsters covering approximately 500 pilots were ongoing as of the filing date.
1998-09-30otherin_progress1998-01-01United StatesMechanics, inspectors, cleaners, janitors, fleet servicePart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Employees voted to be represented by AMFA rather than IAM. Negotiation of initial contract began in July 1998.
1998-09-30otherin_progress1998-01-01United StatesStock clerks and ramp servicePart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		IAM continues to represent these employees. Negotiations of new contract continuing with federal mediator.
1998-09-30othercompleted4001998-06-30United StatesMechanics and related classificationsPart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Horizon and Transport Workers Union signed new three-year contract covering approximately 400 mechanics.
1998-09-30otherin_progress5001998-01-01United StatesPilotsPart II, Item 5
f5-10q / Qwen3.6-27B-Q8_0		Horizon and International Brotherhood of Teamsters continuing negotiations of initial contract covering approximately 500 pilots.
1998-06-30otherannounced1998-07-31United StatesAlaska Airlines — stock clerks and ramp service employees (IAM-represented)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		In July 1998 the Company and the IAM requested mediation to help negotiate a new contract; the IAM contract became amendable August 31, 1997. Exact July date not disclosed; month-level date used.
1998-06-30othercompleted1998-03-31United StatesAlaska Airlines — mechanics, inspectors, cleaners, janitors and fleet service employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Employees voted to transfer representation from the IAM to AMFA during the first quarter of 1998; initial contract negotiations began July 1998. Exact election date not disclosed; quarter-end date used as placeholder. Affected-employee count not disclosed.
1998-06-30otherin_progress1998-07-01United StatesMechanics, inspectors, cleaners, janitors, fleet serviceother
f5-10q / Qwen3.6-27B-Q8_0		Employees voted to be represented by Aircraft Mechanics Fraternal Association (AMFA) rather than IAM. Negotiation of initial contract began in July 1998.
1998-06-30otherin_progress1998-07-01United StatesStock clerks, ramp serviceother
f5-10q / Qwen3.6-27B-Q8_0		Company and IAM requested mediation to help negotiate a new contract.
1998-03-31othercompletedUnited States (Pacific Northwest)Alaska Airlines — mechanics, inspectors, cleaners, janitors and fleet service employeesother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		During Q1 1998 these employee groups voted to be represented by the Aircraft Mechanics Fraternal Association (AMFA) instead of the International Association of Machinists (IAM). Initial contract negotiations expected to begin June 1998. Exact vote date and affected-employee count not disclosed.
1998-03-31otherin_progressUnited States (Pacific Northwest)Alaska Airlines — stock clerks and ramp service employees (IAM-represented)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		IAM remains the bargaining representative for these groups; their contract became amendable 1997-08-31 and negotiations were expected to resume in Q2 1998. Headcount covered not disclosed.
1998-03-31othercompleted1998-03-31United StatesMechanics, inspectors, cleaners, janitors, fleet serviceother
f5-10q / Qwen3.6-27B-Q8_0		Employees voted to be represented by AMFA rather than IAM. Negotiations expected to begin June 1998.
1997-09-30otherin_progress1,8001997-09United StatesAlaska Airlines — Mechanic, Rampservice and related classificationsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Union contract became amendable in September 1997; union and Alaska have begun negotiating a replacement contract.
1997-09-30othercompleted1,0751997-10United StatesAlaska Airlines — Pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Airline Pilots Association and Alaska agreed on a new five-and-a-half-year contract (amendable May 2002); disclosed as a post-quarter event.
1997-09-30othercompleted1997-09-30United StatesHorizon Air — Pilotsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		During the third quarter of 1997 Horizon's pilots voted for representation by the Teamsters union; pilot headcount not disclosed. Date reflects quarter end, as only the quarter was specified.
1997-09-30otherin_progress3201997-09-30United StatesHorizon Air — Flight attendantsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Association of Flight Attendants and Horizon continue mediated negotiations for a new contract covering approximately 320 flight attendants. Date reflects quarter end, as only the period was specified.
1997-09-30othercompleted291997-09-30United StatesHorizon Air — Dispatchersother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Horizon's 29 dispatchers ratified a new contract amendable in May 2002. Date reflects quarter end, as only the period was specified.
1997-09-30othercompleted1,0751997-10-01United StatesPilotsother
f5-10q / Qwen3.6-27B-Q8_0		Airline Pilots Association and Alaska agreed on a new 5.5-year contract covering 1,075 pilots.
1997-09-30otherin_progress1,8001997-09-01United StatesMechanic, Rampservice and related classificationsother
f5-10q / Qwen3.6-27B-Q8_0		Union contract became amendable in September 1997; negotiations for new contract began.
1997-09-30othercompleted291997-09-30United StatesDispatchersother
f5-10q / Qwen3.6-27B-Q8_0		Horizon's 29 dispatchers ratified a new contract amendable in May 2002.
1997-09-30otherin_progress3201997-09-30United StatesFlight Attendantsother
f5-10q / Qwen3.6-27B-Q8_0		Association of Flight Attendants and Horizon continuing mediated negotiations for new contract.
1997-09-30othercompleted1997-09-30United StatesPilotsother
f5-10q / Qwen3.6-27B-Q8_0		Horizon's pilots voted to be represented by the Teamsters union.
1995-12-31othercompleted1995United States (Pacific Northwest)Horizon Air — PilotsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Horizon pilots voted during 1995 to reject union representation by the International Brotherhood of Teamsters; pilot headcount not disclosed.