- from the GDS code that shows on the booking against the affected segment.
- the letters are pronounced individually.
HX (third-person singular simple present HXs, present participle HXing, simple past and past participle HXed)
- (aviation, travel, informal, abbreviation) (of an airline) to have an airline booking cancelled by the airline.
- Hurry and issue the ticket or the airline will HX the reservation.
- The airline oversold and they have HXed the passenger's booking.