Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Payables and Accruals [Abstract]

Accrued liabilities included in other current liabilities

Other current liabilities as of June 30, 2020 and December 31, 2019 consist of the following:

	June 30, 2020		December 31, 2019
	(in thousands)
Salaries, wages and benefits	$	92,056	$	89,163
Airport obligations	37,309		80,134
Federal excise and other passenger taxes and fees payable	22,947		65,312
Aircraft maintenance	21,615		38,099
Aircraft and facility lease obligations	21,163		20,656
Interest payable	17,871		16,941
Fuel	5,259		28,510
Other	28,793		34,706
Other current liabilities	$	247,013	$	373,521