If your flight is delayed, you are entitled to:
Information about the reasons for the delay and passenger rights.
Help, which includes:
Food and drink (usually a voucher, if not, you should keep the receipts for food and drink),
Two phone calls or emails,
Free accommodation and journeys between the airport and the hotel if the replacement flight is scheduled to depart the next day.
Compensation payable if:
Your flight arrives at least 3 hours late at your destination (arrival means the time at which the door of the aircraft is opened),
The reason for the delay is attributable to the airline.
Receive a refund or resign from the flight if the flight is delayed for at least 5 hours.