Source: https://guides.developer.iata.org/docs/download-the-latest-standards

FlightCharacteristicsCodeEnum enum

Enumeration set for the flight characteristics code BDT.Valid Values: AirportChange - Airport Change; Direct - Direct; NonStop - NonStop; OvernightStop - OvernightStop; RedEye - RedEye; WaitList - WaitList
AirportChange
Direct
NonStop
OvernightStop
RedEye
WaitList
["AirportChange","Direct","NonStop","OvernightStop","RedEye","WaitList"]