Hold on; don't you normally get compensation when a product or service
you've already paid for is unsatisfactory ?
Ryanair gets charged for NATS services after they have used them.
If Ryanair doesn't fly, it doesn't pay for the service.
Ergo, how can you claim compensation for something you haven't had ?!
I think, if the tables were turned, that's the kind of answer O'L would give