https://patch.com/new-york/new-york-city/calendar/event/20250115/41bf64ec-6389-4294-9ff5-178b8bd63f11/cu-tomer-upport-how-long-does-delta-give-you-to-cancel
https://patch.com/new-york/new-york-city/calendar/event/20250115/315ea06e-d542-4d5a-b7eb-793b80221577/refund-cancellation-tipss-does-delta-have-a-cancellation-policy
https://www.giantbomb.com/forums/general-discussion-30/us-full-guide-does-united-airlines-respond-to-comp-1928163/
https://www.devex.com/people/is-expedia-actually-fully-refundable-or-is-expedia-really-free-cancellation-2471503
https://patch.com/new-york/new-york-city/calendar/event/20250115/42d50b2c-3163-4f38-99c4-cddf0e432549/quick-guide-how-long-does-delta-give-you-to-cancel
https://www.devex.com/people/is-expedia-actually-fully-refundable-or-is-expedia-really-free-cancellation-2471494
