Airlines at San Diego International Airport (SAN)
San Diego, California KSAN #24 US airport by passengers
Airlines operating at SAN, ranked by number of departures.
On-time performance at SAN
Based on 27,288 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
31.0%Departures late
31.6%Arrivals late
0.94%Cancelled
18.5 minAverage departure delay
| Airline | Departures | Late |
|---|---|---|
| Southwest Airlines | 10,680 | 43.9% |
| SkyWest Airlines | 4,043 | 26.2% |
| Alaska Airlines | 3,693 | 23.2% |
| United Airlines | 2,836 | 21.3% |
| American Airlines | 2,589 | 25.3% |
| Delta Air Lines | 2,465 | 12.3% |
| Frontier Airlines | 543 | 35.0% |
| JetBlue Airways | 439 | 23.9% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
Alaska Airlines and American Airlines check in at Terminal 2 East. Delta, United, Hawaiian and the international carriers operate from Terminal 2 West. Check your airline on the departures board, since gate assignments are split across the two terminals.