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ACCOUNTING ESTIMATES AND JUDGMENTS (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Accounting Estimates And Judgments [Line Items] |  |
Deferred income | $ 2,012,661 | $ 2,009,242
Probable change in deferred revenue, one percentage point | 10,016 | 10,150
Registered Fleet |  |
Accounting Estimates And Judgments [Line Items] |  |
Probable change in deferred revenue, one percentage point | 119,000 | 111,000
LATAM Pass Loyalty Program |  |
Accounting Estimates And Judgments [Line Items] |  |
Deferred income | 949,495 | 1,099,580
Probable change in deferred revenue, one percentage point | 33,479 | 31,510
LATAM Pass Brazil Loyalty Program |  |
Accounting Estimates And Judgments [Line Items] |  |
Deferred income | 203,058 | 179,151
Probable change in deferred revenue, one percentage point | $ 5,537 | $ 5,125

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