What is extraordinary circumstances flight cancellation or delay? Can you claim for flight delays or cancellation due to weather? Do you get a refund if your flight is cancelled or delayed due to weather?

Extraordinary circumstances are flight disruptions not related to airline actions. For example, strikes, political unrest, airport operation failures, bad weather conditions, airplane manufacturing errors, birds flying into the engine etc. In these circumstances you won’t get the flight claim compensation. Fortunately, airline staff strikes are not included into this rule.