Delta Reservation Guide

Delta Airlines Reservation Help: How to Modify an Existing Booking

Learn how to find and manage an existing Delta reservation, change flights, cancel a trip, update seats and know when to contact Reservations.

Already booked a Delta flight but need to change something? Many eligible reservations can be managed through My Trips on Delta.com or the Fly Delta app.

How Do You Find an Existing Delta Reservation?

Open My Trips and retrieve your booking using available reservation information.

Confirmation number
Ticket number
Passenger first name
Passenger last name
Existing Reservation Assistance

Delta Reservations

800-221-1212

Keep your confirmation number, passenger name, current flight details and the modification you want to make ready before calling.

Verify the current contact number and booking rules directly through Delta's official website.

What Can You Change on an Existing Delta Booking?

Change travel date
Change flight time
Rebook another flight
Cancel a reservation
Select or change seats
Review upgrade options
Add eligible special services
Check same-day change options

How to Change the Date or Time of a Delta Flight

1

Find Your Trip

Open My Trips and retrieve the reservation you want to change.

2

Open Trip Details

Select the booking and review the available management options.

3

Start the Change

Choose the flight-change option available for your reservation.

4

Search Replacement Flights

Select another date, departure time or eligible itinerary.

5

Review the Cost

Check any fare difference, restrictions or applicable charges.

6

Confirm the Updated Booking

Verify the new date, time, airports, passenger details and seat assignment.

Can You Cancel an Existing Delta Reservation?

Eligible reservations may be cancelled through My Trips. The outcome can vary depending on the fare and ticket conditions.

You may receive a refund, eCredit or another form of remaining ticket value depending on the reservation.

Can You Change Your Seat After Booking?

Eligible passengers may be able to review or change seat assignments from their existing reservation.

Available options can depend on your fare, cabin, flight, status benefits and current seat inventory.

Can You Add Special Services to a Booking?

Some special requests can be managed after booking. More complex requests may require direct assistance.

If the option you need does not appear in My Trips, contact Reservations instead of creating a second booking.

When Should You Contact Delta Reservations?

  • Your reservation will not open online.
  • The modification option is missing.
  • Your itinerary includes another airline.
  • You have a complex international booking.
  • Your reservation contains special services.
  • You are travelling with an infant.
  • Your ticket includes special upgrade elements.
  • You receive an error during the change process.

What If the Booking Was Made Through a Travel Agency?

Some tickets issued by travel agencies or online booking sites may need to be serviced by the original seller.

Check who issued the ticket before attempting multiple changes through different channels.

Existing Reservation: Quick Guide

NeedFirst Step
Change flight dateOpen My Trips
Change departure timeSearch replacement flights
Cancel reservationUse the cancellation option in My Trips
Find bookingUse confirmation or ticket number
Same-day changeCheck same-day eligibility
Complex bookingContact Reservations
Agency-issued ticketContact original seller when required

Frequently Asked Questions

Open My Trips, retrieve your reservation and use the available change or manage-trip options for your booking.

Delta lists 800-221-1212 for U.S. assistance with new or existing reservations. Verify the latest contact details on Delta.com.

Delta's My Trips tool may also allow lookup using a ticket number and passenger information.

It depends on how the ticket was issued. Some agency-issued reservations may need to be serviced by the original travel agency.

Eligible reservations can often be managed through Delta.com or the Fly Delta app.

Final Word

For most existing Delta reservation changes, start with My Trips instead of creating a new booking.

Retrieve your reservation, review the available modification options and check any fare difference or restrictions before confirming. If the booking cannot be managed online, contact Reservations or the original ticket issuer when required.

Disclaimer: This independent informational website is not affiliated with Delta Air Lines. Airline policies, fees, phone numbers and booking procedures may change. Verify current information directly with Delta.