To change a Delta flight, follow these steps: Visit the Delta Airlines website or use their mobile app. Log in to your Delta account or retrieve your booking using your confirmation number. Locate the "Manage My Trips" or "My Bookings" section on the website or app. Select the specific flight you want to change. Look for the "Change Flight" option and click on it. Review the available flight options presented to you, considering date, time, and destination changes. Select the new flight that suits your preferences. Check for any fare differences or change fees associated with the new flight. Pay any applicable fare differences or change fees, if required. Confirm the changes to your flight and review the updated itinerary. Note: If you encounter any difficulties or require further assistance, contact Delta Airlines customer service either through their website, app, or by phone to guide you through the process.