Delta Airlines offers flexible cancellation and refund options depending on the ticket type. Most Main Cabin, Comfort+, First Class, Delta Premium Select, and Delta One tickets can be canceled without a change fee, though fare differences may apply when rebooking. Basic Economy tickets are generally non-refundable and non-changeable, except in certain cases where a cancellation fee ma... https://americanairtravel.com/delta-airlines-flight-cancellation-and-refund-policy/