For anyone asking, what terminal is United in Las Vegas, the answer is clear. United Airlines operates primarily out of Terminal 3 at Harry Reid International Airport. Terminal 3 is a state-of-the-art facility designed to handle a high volume of travelers with efficiency and comfort. It caters to both domestic and international flights, making it the go-to gateway for United Airlines passengers in Las Vegas. https://airportsterminalhub.com/airlines/united-airlines/united-airlines-harry-reid-international-airport-las-terminal/