Delta Airlines operates from Terminal E at Dallas/Fort Worth International Airport ( DFW ) and offers a variety of services and amenities to ensure a smooth travel experience . The terminal features modern facilities including spacious seating areas, plenty of dining options and retail outlets. Passengers have the option to access Delta 's Sky Club Lounge , where they can enjoy complimentary snacks , drinks and quiet work spaces .
https://airportsterminalguides.com/delta-airlines/delta-airlines-dfw-terminal-dallas-fort-worth-international-airport/

Southwest Airlines operates out of Terminal 1 at Harry Reid International Airport ( LAS) in Las Vegas, a booming terminal known for its convenience and variety of amenities . Terminal 1 offers travelers hassle - free access to check-in accounts, security screenings and checkpoints , streamlining the journey from arrival to boarding . Dining options range from fast - service restaurants to sit - down restaurants, catering to travelers ' every need .
https://airportsterminalguides.com/southwest-airlines/southwest-airlines-las-terminal-harry-reid-international-airport/

Spirit Airlines operates the George Bush Intercontinental Airport (IAH) in Houston, Texas, offering its passengers affordable travel options. Spirit Airlines is known for its low fares and efficient service . Its headquarters are located in Terminal A of IAH , which focuses on operating domestic flights . This terminal offers various amenities for travelers, including dining options, shopping malls and convenient check - in services, ensuring a pleasant experience for both business and leisure travelers .
https://airportsterminalguides.com/spirit-airlines/spirit-airlines-iah-terminal-george-

United Airlines terminal at Harry Reid International Airport (previously McCarran International Airport), located in Las Vegas. United Airlines is located in Terminal 3 and offers access to both domestic and international flights. Modern conveniences included in the terminal include eateries, retail stores, and services that are easily accessible to travellers.
https://airportsterminalguides.com/united-airlines/united-airlines-las-terminal-harry-reid-international-airport/