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Corporate information - Additional Information (Detail)
 1 Months Ended 12 Months Ended
May 31, 2021
Dec. 31, 2025
airline
destination
country
aircraft
flight
Parent company information [line items]    
Number of daily scheduled flights | flight   436
Number of airline destinations | destination   84
Number of airline destination countries | country   32
Number of international airline destinations (more than) | destination   200
Commercial alliance renewed five years  
Number of operated aircrafts   125
Aircraft useful life   10 years 2 months 12 days
Boeing 737-MAX 9 aircraft    
Parent company information [line items]    
Number of operated aircrafts   32
Boeing 737 Max 8 Aircraft    
Parent company information [line items]    
Number of operated aircrafts   15
Boeing 737-800    
Parent company information [line items]    
Number of operated aircrafts   67
Boeing 737-700    
Parent company information [line items]    
Number of operated aircrafts   9
Boeing 737-800 BCF    
Parent company information [line items]    
Number of operated aircrafts   2
ConnectMiles | Star Alliance Airlines    
Parent company information [line items]    
Number of destinations | destination   1,150
ConnectMiles | Star Alliance Airlines | Bottom of range    
Parent company information [line items]    
Number of airlines | airline   25