I’ve traveled many times and I always find that the smf southwest terminal provides a smooth and relaxed experience. Security moves faster than at larger hubs, and the waiting areas are comfortable enough for both business and leisure travelers. What I really like is the balance between convenience and comfort—it never feels overwhelming, yet it has everything you need before a flight... https://terminalsworld.com/airlines/southwest-airlines/southwest-airlines-san-francisco-international-airport-sfo-terminal/