Check into the special instructions for altering and changing your flight reservation on the departure date (original), which may be done up to one hour before departure, to take advantage of this policy.

The following factors should be taken into account if you plan to employ same-day flight changes:

It is essential to finish the check-in process using the options offered rather than a later change service. A replacement flight that leaves on the same day and follows the same itinerary between the same airports can be chosen. Long-haul flights never allow for Same-day modification, but if you do, you must first understand the basic conditions and be prepared to pay the necessary change fees.

Read also : Spirit same-day modification | Jetblue same-day modification