With a few useful hints, the Delta Airlines DFW Terminal DFW Terminal at DFW Terminal E is a convenient place to travel. Come at least two hours before your local flight and three hours before your international trip to give yourself time for security and check-in. Self-service kiosks or the Delta mobile app are the two options for convenient check-in and mobile boarding cards. Enjoy a peaceful, pleasant area with free snacks and Wi-Fi in the Delta Sky Club lounge, if you qualify. Terminal E offers a wide variety of restaurants and shops for a leisurely wait. Use the free Terminal Link shuttle or ride-sharing services for convenient terminal transfers.