Originally Posted by
Cazza_fly
Not seen BAL but its common to see BY over TOM, as it's still officially their IATA code. However, TUI choose to favour their ICAO code of TOM for passenger communication. Where have you seen/heard BAL being used?
BAL has certainly been used for LGW flights. Given the numbers always usually begin with "5", I think these may be TOM taking over flights that were operated by Norwegian etc in the height of summer.