Yes, as per the Delta flight cancellation policy and rules, any passengers can cancel their Delta flight and there may or may not be charges they have to pay depending upon the fare conditions that are applicable at that time.
Travelers who will be flying with Delta Airlines may meet with such a situation where they have to change their plans and a flight cancellation would only be their choice. In any case, you are required to be aware of the flight cancellation guidelines if you cancel Delta flight without penalty. Here are the main highlights of their cancellation policy.
Delta Airlines has a 24-hour flight cancellation under which there are certain regulations have been provided that any passenger can easily cancel Delta flight without penalty. Below are the 24-hour flight cancellation rules that have been provided.
As you may be aware of the Delta flight cancellation policy, passengers are allowed to make the cancellation, if they have booked it from the official website, via calling the reservation number, or the ticket counter at the airport, then there may be a cancellation charge that they may have to pay. Normally the cancellation charges would be nil if they have canceled the flight within the first 24 hours but after that, the cancellation fee would be in the range of 0$ - $500 for all the fares. For some cases, Flight cancellation would not be permitted so you have to check whether your fare ticket is allowed for flight cancellations or not.
To sum it up, the article concludes that you may cancel Delta flight without penalty if you cancel your flight within a day under some standard circumstances.