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Other Current Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Other Liabilities Disclosure [Abstract] |  |
Passenger and other taxes and fees payable | $ 163 | $ 125
Salaries, wages and benefits | 107 | 107
Station obligations | 73 | 69
Aircraft maintenance | 43 | 76
Fuel liabilities | 36 | 35
Leased aircraft return costs | 22 | 1
Other current liabilities | 41 | 48
Total other current liabilities | $ 485 | $ 461

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