What are my rights if a flight is delayed?

Refund of the cost of your ticket within 7 days if not wishing to travel or; re-routing to your final destination at the earliest opportunity or; re-routing at a later date at your convenience, subject to the availability of seats
Refund the cost of your ticket within 7 days or, re-routing to your final destination at the earliest opportunity or, re-routing at a later date at your convenience, subject to the availability of seats
You have received at least two weeks’ notice of the cancellation; or you have received between 2 weeks and 7 days’ notice but been offered an alternative flight departing no more than 2 hours before your original departure and arriving at your final destination less than 4 hours after your original scheduled time of arrival; or you have received less than 7 days’ notice but have been offered an alternative flight departing no more than 1 hour before your original departure time and arriving at your final destination less than 2 hours after your original scheduled time of arrival.
Delays of 2 hours or more in the case of flights of 1500 km or less; delays of 3 hours or more in the case of all flights within the EU of more than 1500 km, and all other flights between 1500 and 3500 km; delays of 4 hours or more in the case of all other flights