Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2022

Payables and Accruals [Abstract]

Accrued Liabilities Included in Other Current Liabilities

Other current liabilities as of March 31, 2022 and December 31, 2021 consist of the following:

	March 31, 2022		December 31, 2021
	(in thousands)
Salaries, wages and benefits	$	140,017	$	142,893
Federal excise and other passenger taxes and fees payable	122,107		77,409
Airport obligations	94,505		85,772
Fuel	62,355		55,103
Aircraft maintenance	46,768		39,178
Interest payable	26,080		24,526
Aircraft and facility lease obligations	18,240		23,049
Other	36,661		32,824
Other current liabilities	$	546,733	$	480,754