To change a Delta flight, follow these steps:

Visit Delta's official website and log in to your account. Alternatively, use the Delta mobile app.

Go to the "My Trips" or "Manage Reservations" section.

Enter your booking details, such as the confirmation number and the passenger's last name.

Locate the specific flight you wish to change and select the "Change Flight" option.

Review the available flight options that suit your new travel plans. Keep in mind that changes may be subject to availability and fare differences.

Once you've chosen the new flight, proceed to confirm the changes and pay any applicable change fees or fare differences.

Delta will send you a new confirmation email with the updated itinerary.

Remember to review the airline's specific change policies, as they may vary based on the fare type and other factors. If you encounter any issues or have questions, consider reaching out to Delta's customer service for assistance. Here get some more details https://travobravo.com/delta-airlines/how-to-change-delta-flight/