Do not worry if you cancel your flight, you will definitely get back a refund from Delta Airlines. Within 24 hours of purchasing, you can cancel the Delta Airlines Flight. Delta Airlines has one of the most flexible cancellations and changes policies of any major airline. You can check the 24 hrs Delta Airlines Refund Policy and Cancellation Policy. All tickets can be canceled for a full refund within 24 hrs after the time of buying. Need more information? You can know the Delta Airlines Cancellation Policy, steps to Cancel Hawaiian Flight & easy procedure of cancellation by calling on +1-877-311-7484. Get easy refunds & hassle-free cancellations with the Delta Cancellation Policy. No cancellation fees apply.