The aircraft Positions from CWL - LHR daily. The times vary but it is due to keep the slots active otherwise they will loose it. Virgin do the similar but use a light a/c to operate and keep the slot open not a larger one like the BMED.
The a/c leaves CWL anytime between 1200 and 1400 and return at either 1645 or 1045 depends on the days.
There has been a gap in the flight operating due to offices being moved at either BA or by ATC which instructed that no a/c were to take off unless it had to, which saved BMED a bit of money.
Some other times the flight has not operated due to other tech a/c in the fleet, collect baggage thats been left behind at an airport for some reason or other.
With BMI purchasing BMED this may stop very soon and there maybe a flight available for it.
For some reason they don't keep the same callsign, when they call down at CWL it was BMED 2 Tuesday, I've heard BMED 9 when it's come in. How many a/c has BMED got i thought it was only seven or 8.