Santa Ana to San Francisco — airline reliability comparison
Alaska Airlines is the most reliable airline on the SNA to SFO route with a 77% on-time rate, compared to Frontier Airlines at 67%. Based on 301 flights tracked.
This route involves high-congestion airports, which can affect reliability regardless of airline.
Source: Bureau of Transportation Statistics. Updated October 2026.| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 77% | 1.0% | 49m | 301 |
| United AirlinesUA | 75% | 0.8% | 67m | 3,329 |
| SkyWest AirlinesOO | 73% | 1.4% | 67m | 11,796 |
| Frontier AirlinesF9Worst | 67% | 2.3% | 88m | 373 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.