United Airlines operates out of Terminal 3 at McCarran International Airport in Las Vegas, which is the newest and most modern terminal at the airport.

The United Airlines terminal has two concourses, E and F, which are connected by a walkway. Concourse E primarily serves United's domestic flights, while Concourse F serves international flights. The terminal offers a wide range of services and amenities for travelers, including dining options, duty-free shops, lounges, charging stations, and free Wi-Fi.