Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Accrued liabilities included in other current liabilities

Accrued liabilities included in other current liabilities as of December 31, 2015 and 2014 consist of the following:

	As of December 31,
	2015		2014
	(in thousands)
Federal excise and other passenger taxes and fees payable	$	38,254	$	42,628
Salaries and wages	34,123		34,209
Airport obligations	30,849		21,726
Aircraft and facility lease obligations	24,014		10,089
Aircraft maintenance	21,688		16,127
Interest payable	12,355		1,708
Fuel	7,084		9,508
Other	14,362		16,926
Other current liabilities	$	182,729	$	152,921