Operating out of San Diego International Airport’s Southwest Airlines SAN Terminal features a range of food and shopping options, security screening areas, and effective check-in counters to accommodate domestic travelers. Known for its passenger-friendly design and ease of accessibility, Terminal 1 is simple for Southwest passengers to use. To avoid any hassles, travelers are advised to arrive at least two hours prior to their departure. For travelers flying to and from San Diego, the terminal offers a seamless travel experience because to Southwest Airlines’ extensive network, which acts as a gateway to many places.