Can I change my sail date to any sailing?
Temporary Policy: Cruise Date Flexibility – Frequently Asked Questions
If you wish to change your sail date using the Cruise Date Flexibility option, you must move to a future sailing that commences prior to September 30, 2022. You will be unable to return to your original sail date once your reservation has been changed. Onboard Offer Blockout Dates apply, and Future Cruise Credits are subject to select Disney Wish block-out dates.