Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2018

Long-Term Debt

Schedule of long-term debt

Long‑term debt consisted of the following as of December 31, 2018 and 2017 (in thousands):

	December 31,		December 31,
	2018		2017
Notes payable to banks, due in semi-annual installments, variable interest based on LIBOR, or with an interest rate of 4.00% through  2019, secured by aircraft	$	6,429	$	34,905
Notes payable to a financing company, due in semi-annual installments, variable interest based on LIBOR, or with an interest rate of 3.25% through 2021, secured by aircraft		36,324		97,612
Notes payable to banks, due in semi-annual installments plus interest at 6.10% to 6.51% through 2021, secured by aircraft		41,592		63,090
Notes payable to banks, due in monthly installments plus interest of 2.68% to 6.86% through 2025, secured by aircraft		371,300		372,157
Notes payable to banks, due in monthly installments, plus interest at 4.07% to 6.05% through 2029, secured by aircraft		105,069		49,001
Notes payable to banks, due in quarterly installments, plus interest at 3.39% to 5.08% through 2030, secured by aircraft		2,621,416		2,085,822
Notes payable to banks due in monthly installments, interest at 3.30% through 2019, secured by spare engines		3,308		9,763
Long-term debt	$	3,185,438	$	2,712,350
Current portion of long-term debt		(354,072)		(313,243)
Less long-term portion of unamortized debt issue cost, net		(21,598)		(21,761)
Long-term debt, net of current maturities and debt issue costs	$	2,809,768	$	2,377,346
Current portion of long-term debt		354,072		313,243
Less current portion of unamortized debt issue cost, net		(3,866)		(3,565)
Current portion of long-term debt, net of debt issue costs	$	350,206	$	309,678

Schedule of maturities of long-term debt

The aggregate amounts of principal maturities of long‑term debt as of December 31, 2018 were as follows (in thousands):

2019	$	354,072
2020		351,738
2021		347,835
2022		353,935
2023		359,677
Thereafter		1,418,181
	$	3,185,438