Wondering "what terminal is United Airlines at DFW?" United Airlines operates out of Terminal E at Dallas/Fort Worth International Airport, offering travelers a seamless and efficient experience. Designed for comfort and convenience, the terminal features modern amenities, fast check-in services, and easy access to gates. Whether you're flying domestic or international, Terminal E ensures a smooth journey with excellent customer service and clear signage. Frequent flyers also enjoy access to the United Club and a variety of nearby dining options.