United Airlines is the most reliable airline on the AUS to IAH route with a 79% on-time rate, compared to SkyWest Airlines at 77%. Based on 8,334 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: AUS to IAH
Austin to Houston — airline reliability comparison
On-Time Rate by Airline
United Airlines79%
SkyWest Airlines77%
AUS to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 79% | 1.7% | 68m | 8,334 |
| SkyWest AirlinesOOWorst | 77% | 0.7% | 86m | 299 |
Route Overview
79%
Overall On-Time
68m
Avg Delay
1.7%
Cancel Rate
8,693
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.