For example, if your flight was cancelled due to a mechanical fault, overbooking, maintenance, repairs, rescheduling, service faults or the airline closing down then you are not covered.
However, the agency found that there may be situations in which overbooking does not result in delay, and that overbooking may be the result of circumstances beyond the carrier's control.
The idea of an airline passenger bill of rights follows high-profile stories of passengers stranded for hours in planes on airport runways or passengers bumped from flights because of overbooking.
It agreed that in an overbooking situation the customer must be offered a "similar alternative" or the options of "amending or cancelling the booking".