Spirit Airlines operates out of Terminal 1 at McCarran International Airport in Las Vegas. The airport has four terminals, and Terminal 1 is the main terminal for most airlines, including Spirit. Terminal 1 has several gates, ticket counters, baggage claim areas, restaurants, and shops that passengers can use before and after their flights. If you have any further questions or concerns regarding your travel with Spirit Airlines in Las Vegas, you can contact them directly or visit their website for more information.