Accrued Liabilities

9 Months Ended

Sep. 30, 2018

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued Liabilities

Other current liabilities as of September 30, 2018 and December 31, 2017 consist of the following:

	September 30, 2018		December 31, 2017
	(in thousands)
Salaries and wages	$	81,278	$	54,338
Federal excise and other passenger taxes and fees payable	55,743		42,036
Airport obligations	47,476		56,299
Aircraft maintenance	26,438		33,033
Fuel	21,637		25,171
Interest payable	18,965		11,384
Aircraft and facility lease obligations	12,236		16,992
Other	23,369		23,117
Other current liabilities	$	287,142	$	262,370