Southwest Airlines is the most reliable airline on the SAT to COS route with a 77% on-time rate. Based on 22 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAT to COS
San Antonio to Colorado Springs — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines77%
SAT to COS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 77% | 0.0% | 135m | 22 |
Route Overview
77%
Overall On-Time
135m
Avg Delay
0%
Cancel Rate
22
Total Flights
Flying out of SAT? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.