SkyWest Airlines is the most reliable airline on the SAT to IAH route with a 87% on-time rate, compared to United Airlines at 82%. Based on 438 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAT to IAH
San Antonio to Houston — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines87%
United Airlines82%
SAT to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 87% | 1.5% | 71m | 438 |
| United AirlinesUAWorst | 82% | 1.5% | 75m | 7,562 |
Route Overview
83%
Overall On-Time
75m
Avg Delay
1.5%
Cancel Rate
8,106
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.