Accrued Liabilities

3 Months Ended

Mar. 31, 2019

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued Liabilities

Other current liabilities as of March 31, 2019 and December 31, 2018 consist of the following:

	March 31, 2019		December 31, 2018
	(in thousands)
Federal excise and other passenger taxes and fees payable	$	90,504	$	60,604
Salaries and wages	79,359		82,900
Airport obligations	65,291		52,029
Aircraft maintenance	65,126		59,805
Fuel	28,378		25,368
Aircraft and facility lease obligations	20,630		15,149
Interest payable	19,344		18,086
Other	26,772		25,736
Other current liabilities	$	395,404	$	339,677