If you wonder how to cancel Delta flights in situations where you changed your mind about the ticket you have been holding for 24 hours. It is very easy to cancel your Delta flights after holding them. You can visit their official website and go to the "My Trips" section. And then click on flight cancellation for the ticket. Or you can just let 24 hours pass by and your holding validity will become expired and hence you can cancel Delta flights merely by doing nothing. To know more: https://www.airlinehelps.com/blogs/get-a-hold-of-delta-flight.aspx