Yes, you can cancel a v without penalty before the final payment date unless you booked a promotion with a non-refundable deposit or fare. The final payment date is 76 days before sailing for cruises that are five days or less, and 91 days before sailing for cruises that are six days or more. You will get a full refund if you notify Delta Airlines at least 75 days prior to your sailing date 60 days for 3 and 4-night cruises or 90 days for holiday sailings. Consult the chart below to determine cancellation charges applicable later.