Originally Posted by
Some person
How can you tell? It sounds as if Condor cancelled a mixed class flight and instead chose to operate a single class flight. That could maybe be argued to be a cancellation in which case the OP is entitled to transportation in the originally booked class.
Anything can be argued. Including that the moon is made of blue cheese. But, it is not. The entire question of whether OP's flight is cancelled is a red herring.
All that matters is that he booked a ticket in J and was rebooked in less than J. If so, then he is due a refund of 75% of the base fare. No further analysis is necessary under the Regulation.