22/04
The "Flight Plan".....eg SHT3N A320 EGCC.N615.EGLL...is Shuttle 3N filed Manchester via Airway N615 to Heathrow. Your ticket will be BAxxxx. BMI wil be WW on the ticket.
The "Callsign" that the company file is the callsign that is used from A to B...by ATC eg, EZE83VM......is an Eastern Airways flight.The Airline code is 3wxxxx