The rules and conditions for changing flights are outlined in a specific policy of Delta Airlines. If you're wondering how late you can change your Delta flight, you need to understand the policy as it is outlined below.
According to the regulation put in place by the Airlines, Delta travellers may Change their flights up to 24 hours before the scheduled departure date.
For passengers willing to make reasonable changes to their journey, Delta Airlines also permits changes the same day up to 24 hours before the flight's departure.
Basic economy and international travellers are not permitted to switch flights on the same day because the adaptation frequently depends on availability.
On Delta Airlines, the cost to apply for a flight change ranges from $200 to $500, while the cost to modify a reward fare is $150.
Check also : Allegiant flight change