Changing your Delta Airlines flight is simple and can be done online, via the mobile app, or at the airport. Most fare types, excluding Basic Economy, allow changes without a fee. When modifying your flight, you may be required to pay the fare difference if the new flight is more expensive. Delta's website and app provide easy access to your itinerary, enabling quick and efficient changes. With their flexible flight change policy, Delta ensures that travelers can adapt their plans with minimal hassle, making travel more convenient for all.