Southwest Airlines SAN Terminal predominantly functions from Terminal 1 at San Diego International Airport (SAN), offering efficient domestic travel. Check-in is available online, through the Southwest mobile app, self-service kiosks, or staffed counters. The airline uses an open-seating policy with check-in time used to decide boarding priority. Southwest recently changed its baggage policy: the majority of tickets include one free checked bag, while Business Select and Anytime tickets include two. Carry-on bags remain unchanged. Terminal 1 has a range of dining and shopping amenities, free Wi-Fi, and disability facilities. Baggage claim and customer service are near the arrivals area. With smooth flight service and passenger-convenient facilities, Southwest offers a convenient and comfortable travel experience at SAN.