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Guarantee deposits (Tables)
 12 Months Ended
Dec. 31, 2024
Guarantee Deposits  
Schedule of guarantee deposits
            
   2024  2023
Current asset:            
  Credit letters deposits  US$ 216,534   US$ 138,207 
  Aircraft maintenance deposits paid to lessors (Note 1j)    7,493     7,056 
  Other guarantee deposits    2,020     1,428 
  Deposits for rental of flight equipment    1,164     1,145 
Total current guarantee deposits    227,211     147,836 
Non-current asset:            
  Aircraft maintenance deposits paid to lessors (Note 1j)    375,263     409,997 
  Deposits for rental of flight equipment    46,232     48,125 
  Other guarantee deposits    4,698     3,874 
Total non-current guarantee deposits    426,193     461,996 
Total guarantee deposits  US$ 653,404   US$ 609,832