What Is the Cancellation Policy for Delta Flights?

Knowing Delta’s cancellation policy can save you money and stress. You can cancel a Delta flight up to 24 hours prior to the scheduled departure time without penalties. This policy applies to all ticket types. To initiate a cancellation, access your Delta account and navigate to your booking. Should you have questions, Delta’s support team is available to help. Check your itinerary now for cancellation options!

Source: https://central.xero.com/s/question/0D58V00009QyY6TSAV/how-many-days-before-a-delta-flight-can-you-cancel