# What Terminal is united airlines at IAH United Airlines operates from Terminals B, C, and E at George Bush Intercontinental Airport, and if you're wondering [what Terminal is United Airlines at IAH](https://flightsterminals.com/united-airlines/united-airlines-iah-terminal-george-bush-intercontinental-airport/), Terminal B is for United Express, Terminal C handles domestic flights, and Terminal E serves international routes. The airport features convenient Skyway and Subway systems to connect these terminals efficiently.