Los Angeles to San Jose — airline reliability comparison
SkyWest Airlines is the most reliable airline on the LAX to SJC route with a 90% on-time rate, compared to Frontier Airlines at 81%. Based on 10,179 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 |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 90% | 0.1% | 53m | 10,179 |
| Delta Air LinesDL | 86% | 2.2% | 58m | 556 |
| Spirit AirlinesNK | 85% | 1.1% | 53m | 531 |
| Southwest AirlinesWN | 83% | 0.3% | 51m | 6,586 |
| Frontier AirlinesF9Worst | 81% | 2.2% | 57m | 282 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.