Does Delta have a cancellation policy?

How many times can I change my flight without fees? You can change your flight as many times as you want without change fees. But, you will have to pay any fare differences that apply each time you change. During the 24-hour Risk-Free Cancellation Period: You can change your flight at no additional cost beyond any price difference. After the 24-hour Risk-Free Cancellation Period: A change fee of $0 to $400 plus any price difference applies. When you want to make changes to your ticket, the airline requires that we price the change in the same or a higher class of service, or price bracket, as the original ticket. As the calendar gets closer to the date of the flight, the classes of service on the flight become uniformly more expensive.