Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2017

Payables and Accruals [Abstract]

Accrued liabilities included in other current liabilities

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

	June 30, 2017		December 31, 2016
	(in thousands)
Federal excise and other passenger taxes and fees payable	$	62,708	$	42,064
Salaries and wages	49,109		54,578
Airport obligations	47,230		43,989
Aircraft maintenance	33,092		30,233
Aircraft and facility lease obligations	12,919		10,378
Interest payable	8,953		8,499
Fuel	7,846		14,828
Other	22,772		21,442
Other current liabilities	$	244,629	$	226,011