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SPECIAL ITEMS
 9 Months Ended
Sep. 30, 2025
Unusual or Infrequent Items, or Both [Abstract]  
SPECIAL ITEMS SPECIAL ITEMS
The Company has classified certain operating activities as special items due to their unusual or infrequently occurring nature. Disclosing information about these items separately may assist with comparable year over year analysis and allow stakeholders to better understand Air Group's results of operations.

Integration costs: Integration costs were associated with the acquisition of Hawaiian Airlines and consist of employee-related costs, legal and professional fees, technology costs, and other merger costs.

Labor and other: Labor and other costs in 2025 were primarily for changes to Alaska flight attendants' sick leave benefits pursuant to a new collective bargaining agreement ratified in the first quarter of 2025. Costs in 2024 were associated with new labor agreements, the retirement of Alaska's Airbus and Horizon's Q400 aircraft, and certain litigation items.

Three Months Ended September 30,Nine Months Ended September 30,
(in millions)2025202420252024
Operating Expenses
Integration costs$61 $90 $154 $128 
Labor and other3 (16)57 126 
Special items - operating$64 $74 $211 $254