Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Payables and Accruals [Abstract]

Accrued liabilities included in other current liabilities

Other current liabilities as of September 30, 2017 and December 31, 2016 consist of the following:

	September 30, 2017		December 31, 2016
	(in thousands)
Salaries and wages	$	50,635	$	54,578
Airport obligations	47,289		43,989
Federal excise and other passenger taxes and fees payable	43,860		42,064
Aircraft maintenance	41,781		30,233
Interest payable	15,168		8,499
Fuel	14,940		14,828
Aircraft and facility lease obligations	11,678		10,378
Other	23,781		21,442
Other current liabilities	$	249,132	$	226,011