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Debt - 2019-1 EETC (Details) - Secured Debt | 1 Months Ended
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Mar. 31, 2019 USD ($) aircraft
Pass Through Certificates Series 2019-1 |
Debt Instrument [Line Items] |
Debt instrument face amount | $ 500,000,000
Number of aircraft to secure debt | aircraft | 14
2019-1 Class AA Certificates |
Debt Instrument [Line Items] |
Debt instrument face amount | $ 425,000,000
Fixed interest rate (percent) | 3.204%
Final maturity date | Apr. 30, 2024
2019-1 Class A Certificates |
Debt Instrument [Line Items] |
Debt instrument face amount | $ 75,000,000
Fixed interest rate (percent) | 3.404%
Final maturity date | Apr. 30, 2024

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