Originally Posted by
zemike888
Could you tell me more about these criteria ? (I speak french and if I can save myself from reading a whole topic, that would be cool !)
As a complete oversimplification, if the flight time has changed more than 30 minutes or if the flight number has changed, you can change to any flight between those cities within two days of your original flight. Sometimes if the flight time changes less, you can make the same change.