TermFlightId
Business termFlight Id
Description

IATA based identifier for this flight, usually issued long before the flight actually takes place.

FlightId is normally the concatenation of OperatingAirlineIATA, FlightNumber and OperationalSuffix.

FlightId typically identifies a flight to the majority of systems, but it is not unique across time. It's unique only in conjunction with FlightDepartureDate.

Exception: Some airlines use their ICAO code (OperatingAirlineICAO) instead of OperatingAirlineIATA. This might be because they aren't an IATA member or because they just prefer the ICAO code. Regardless, this means that it is allowed to use OperatingAirlineICAO as part of FlightId.

FlightId is then defined as the concatenation of AirlineIATAorICAO, FlightNumber and OperationalSuffix.

Legal values
Comments

Often called flight designator.

NB! Non-numeric flight numbers are a relic of systems that require FlightNumber or FlightId, and where Callsign are used as the FlightId to satisfy the system requirement. Non-numeric FlightNumbers don't really exist. An IATA compliant FlightId will always have a numeric FlightNumber.

NB! IATA accepts the following pattern for flight designator: "xx(a)nnn(n)". This means that:

  • The up to three characters for operating airline include the following: 1AA, A1A, 11A
  • This means that IATA in practise allows for ICAO airline codes with numbers, which isn't allowed by ICAO. These "illegal" codes are typically used for testing purposes.
StatusApproved 2015-03-24
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