I had a good experience at the Delta Airlines SFO Terminal. Check-in was smooth, with courteous staff ready to help. Security lines progressed quickly, and the terminal was clean and neat. There were ample dining opportunities and comfortable seats, so the wait for my flight was not unpleasant. Boarding was efficient, and overall, the vibe was welcoming. If you're flying Delta out of San Francisco, the Delta Airlines is a hassle-free and enjoyable ride. Certainly one of the nicer airport experiences!