Debt and Other Obligations (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt is comprised of the following:

	As of				As of
	March 31, 2020		December 31, 2019		March 31, 2020		December 31, 2019
	(in millions)				(weighted-average interest rates)
Fixed-rate senior term loans due through 2027	$	287.8	$	296.1	3.55	%	4.02	%
Fixed-rate loans due through 2031	927.4		778.2		3.47	%	3.70	%
Fixed-rate class A 2015-1 EETC due through 2028	348.6		348.6		4.10	%	4.10	%
Fixed-rate class B 2015-1 EETC due through 2024	72.0		72.0		4.45	%	4.45	%
Fixed-rate class C 2015-1 EETC due through 2023	98.1		98.1		4.93	%	4.93	%
Fixed-rate class AA 2017-1 EETC due through 2030	221.4		228.4		3.38	%	3.38	%
Fixed-rate class A 2017-1 EETC due through 2030	73.8		76.1		3.65	%	3.65	%
Fixed-rate class B 2017-1 EETC due through 2026	65.6		70.6		3.80	%	3.80	%
Fixed-rate class C 2017-1 EETC due through 2023	85.3		85.5		5.11	%	5.11	%
Revolving credit facility due in 2020	160.0		160.0		2.26	%	3.12	%
Revolving credit facility due in 2022	—		NA		NA		NA
Long-term debt	2,340.0		2,213.6
Less current maturities	334.4		214.0
Less unamortized discounts, net	41.3		40.4
Total	$	1,964.4	$	1,959.2

Schedule of Maturities of Long-term Debt

At March 31, 2020, long-term debt principal payments for the next five years and thereafter are as follows:

	March 31, 2020
	(in millions)
remainder of 2020	$	303.4
2021	176.6
2022	180.6
2023	323.8
2024	209.2
2025 and beyond	1,146.4
Total debt principal payments	$	2,340.0

Schedule of Interest Expense, Long-term Debt

Interest expense related to long-term debt and finance leases consists of the following:

	Three Months Ended March 31,
	2020		2019
	(in thousands)
Fixed-rate senior term loans	$	2,813	$	3,945
Fixed-rate junior term loans	—		523
Fixed-rate term loans	7,613		6,202
Class A 2015-1 EETC	3,549		3,838
Class B 2015-1 EETC	795		880
Class C 2015-1 EETC	1,209		1,335
Class AA 2017-1 EETC	1,887		1,989
Class A 2017-1 EETC	680		717
Class B 2017-1 EETC	644		754
Class C 2017-1 EETC	1,092		1,080
Revolving credit facilities	1,159		1,413
Amortization of deferred financing costs	2,106		2,192
Commitment and other fees	218		74
Finance leases	113		29
Total	$	23,878	$	24,971