Southwest Airlines is the most reliable airline on the SAN to SAT route with a 74% on-time rate. Based on 2,132 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAN to SAT
San Diego to San Antonio — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines74%
SAN to SAT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 74% | 0.5% | 52m | 2,132 |
Route Overview
73%
Overall On-Time
53m
Avg Delay
0.5%
Cancel Rate
2,132
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.