Therefore, these are the important things that the passengers need to remember as the cancellation policy and should abide by it. On the other hand, the Delta airlines ticket cancellation phone number — 1–844–313–4736 can also be dialed by the passengers for getting more information on this.
https://medium.com/@jhonnys60199212/want-to-know-about-delta-airlines-ticket-cancellation-policy-213e55df4934