Originally Posted by
SK AAR
Your flight was cancelled and you were rebooked albeit on J/C. This has nothing to do with downgrade. You are entitled to the Avios difference between F and C/J.
It depends on whether the flight was cancelled or whether it was "cancelled".
Previously, BA were trying to get around their EC261 obligations by saying a flight was cancelled, but still running the flight with exactly the same flight number and departure time, but on a different plane type.