Southwest Airlines is the most reliable airline on the SJC to STL route with a 93% on-time rate. Based on 379 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SJC to STL
San Jose to St. Louis — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines93%
SJC to STL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 93% | 0.0% | 30m | 379 |
Route Overview
93%
Overall On-Time
29m
Avg Delay
0%
Cancel Rate
379
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.