Are you aware of Which Terminal is Southwest Airlines at SFO? It says the airline operates from Terminal 1. The terminal is easy to find and has friendly staff. The check-in process was quick and simple, making it stress-free for travelers. While waiting for their flight, the customer enjoyed browsing the many shops and restaurants in the terminal. Security lines moved fast, adding to a pleasant experience. Overall, the review suggests that if you are flying with Southwest, heading to Terminal 1 will make for a great travel experience!