https://community.expensify.com/discussion/27550/delta-how-late-can-you-cancel-a-refundable-delta-flight-1-860-364-8917/p1?new=1https://community.expensify.com/discussion/27550/delta-how-late-can-you-cancel-a-refundable-delta-flight-1-860-364-8917/p1?new=1https://community.expensify.com/discussion/27550/delta-how-late-can-you-cancel-a-refundable-delta-flight-1-860-364-8917/p1?new=1https://community.expensify.com/discussion/27550/delta-how-late-can-you-cancel-a-refundable-delta-flight-1-860-364-8917/p1?new=1