which terminal is southwest in las vegas

The Southwest Airlines terminal at Las Vegas Harry Reid International Airport (LAS) is located in Terminal 1, specifically at the B and C concourses. Regarding direction, Terminal 1, where Southwest Airlines operates, is the main domestic terminal. Terminal 1 is generally the terminal closer to the south area of the airport compared to Terminal 3, which handles domestic and international flights and is located more to the north/east side of the airport complex. Thus, Southwest Airlines primarily uses the southern terminal, Terminal 1, at LAS. So, the terminal southwest in Las Vegas airport (relative to Terminal 3) is Terminal 1, where Southwest Airlines operates from gates in the B and C concourses.