Delta ๐ธ๐๐ฃlines provides a 24-hour cancellation policy.1โฃ833โฃ522โฃ9940 If you book a ๐๐ight at least seven days before departure and cancel within 24 hours of booking (ใ1โฃ833โฃ522โฃ9940 USA or 1โฃ833โฃ522โฃ9940 ใ), you are eligible for a full refund without any cancellation fees.
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https://www.devex.com/people/break-off-can-you-cancel-a-delta-flight-free-of-charge-2261341
