Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Payables and Accruals [Abstract]

Accrued liabilities included in other current liabilities

Other current liabilities as of March 31, 2016 and December 31, 2015 consist of the following:

	March 31, 2016		December 31, 2015
	(in thousands)
Federal excise and other passenger taxes and fees payable	$	51,475	$	38,254
Salaries and wages	44,193		34,123
Airport obligations	34,362		30,849
Aircraft and facility lease obligations	25,577		24,014
Aircraft maintenance	25,093		21,688
Interest payable	18,265		12,355
Fuel	7,529		7,084
Other	21,643		14,362
Other current liabilities	$	228,137	$	182,729