San Diego · SAN · Question
Is SAN a Hub Airport? Which Airlines Hub Here?
Expert answer updated for 2026, with official sources and links to detailed guides.
San Diego International Airport (SAN) is not a primary hub for any major airline, though it serves as an important airport with 11+ carriers.
Airlines Serving SAN
While not a hub, SAN is served by 11+ airlines including Southwest Airlines, American Airlines, Delta Air Lines, United Airlines, Alaska Airlines, JetBlue. See the full airline list in our SAN airline directory.
Browse all U.S. airports and their hub status in our airport directory. Explore airline hubs in our airline directory.