Rory Boland, Which? Travel Editor said:
“Affected passengers should ignore Ryanair’s assertion that this is an ‘extraordinary circumstance’ and lodge a claim with the airline.
“The arbitration provider that Ryanair has chosen to work with has already said that it will uphold a previous European ruling that crew strikes aren’t usually considered ‘extraordinary circumstances.”
Calculate what compensation you can claim using Which?’s free tool: https://www.which.co.uk/consumer-rights/advice/i-had-a-flight-delay-can-i-get-compensation