Terminal 2 at San Diego International Airport (SAN) is where Delta Airlines is based. This Delta Airlines SAN Terminal provides a convenient travel experience together with pre-flight amenities like shops, restaurants, and lounges. In Terminal 2, Delta Sky Club offers Wi-Fi, snacks, and cozy seating to qualified members. For both domestic and international flights from San Diego, Delta is a convenient option because passengers have easy access to check-in booths, security checks, and boarding gates.