If you're flying from the United Airlines Dallas Airport Terminal, it's recommended to arrive at least 2 hours before a domestic flight and 3 hours prior to an international flight. Terminal E at Dallas/Fort Worth International Airport is designed for efficiency, but arriving early gives you ample time to check in, go through security, and navigate to your gate without stress. The ... https://airlineofficedetails.com/united-airlines-dallas-fort-worth-airport-terminal-dfw/