Traveling throughDelta Airlines DFW Terminalat DFW Terminal E is convenient with several helpful tips. Arrive at least 2 hours before domestic flights and 3 hours before international flights to allow time for check-in and security. Use Delta's mobile app for easy check-in and mobile boarding passes, or check in at self-service kiosks. If you're eligible, enjoy the Delta Sky Club lounge for a comfortable, quiet space with complimentary snacks and Wi-Fi. There are plenty of dining options and retail stores in Terminal E for a relaxed wait. For easy terminal transfers, use the free Terminal Link shuttle or ride-sharing services.