Originally Posted by
PAXboy
BA also have the suffix D for Delayed. Saw this Feb when we were delayed out of CPT until the following day. The usual rotation used the 042 number and we were 042D.
Though nowadays it's more common for a flight delayed from the previous day to be identified with a Y (for yesterday's) suffix. Here's an example, also from February:
ATC callsign in this instance was Speedbird 42 Delta. Go figure.
