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Other Current Liabilities
 9 Months Ended
Sep. 30, 2024
Payables and Accruals [Abstract]  
Other Current Liabilities Other Current Liabilities
Other current liabilities as of September 30, 2024 and December 31, 2023 consisted of the following:

September 30, 2024December 31, 2023
(in thousands)
Salaries, wages and benefits$173,268 $187,723 
Airport obligations86,304 125,278 
Aircraft maintenance80,034 58,800 
Federal excise and other passenger taxes and fees payable78,377 104,447 
Interest payable27,486 24,732 
Aircraft and facility lease obligations22,308 36,115 
Fuel8,473 64,149 
Other45,440 104,054 
Other current liabilities$521,690 $705,298