Southwest Airlines is the most reliable airline on the COS to SAT route with a 50% on-time rate. Based on 22 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: COS to SAT
Colorado Springs to San Antonio — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines50%
COS to SAT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 50% | 0.0% | 29m | 22 |
Route Overview
50%
Overall On-Time
29m
Avg Delay
0%
Cancel Rate
22
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.