At San Diego International Airport (SAN), Terminal 2 is where Delta Airlines is based. Delta Airways SAN Terminal For Delta customers, Terminal 2, which is well-known for its effectiveness and traveler-friendly features, provides a number of services, including as self-service kiosks, TSA PreCheck lanes, and easy access to security checkpoints. In Terminal 2, Delta Sky Club members can take advantage of the Sky Club lounge, which offers cozy sitting, free refreshments, and drinks. For convenience, the terminal also has a number of dining establishments, shops, and charging stations.