United Airlines is the most reliable airline on the TUS to IAH route with a 90% on-time rate, compared to SkyWest Airlines at 88%. Based on 975 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: TUS to IAH
Tucson to Houston — airline reliability comparison
On-Time Rate by Airline
United Airlines90%
SkyWest Airlines88%
TUS to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 90% | 1.3% | 94m | 975 |
| SkyWest AirlinesOOWorst | 88% | 1.5% | 68m | 626 |
Route Overview
89%
Overall On-Time
87m
Avg Delay
1.3%
Cancel Rate
1,650
Total Flights
Flying out of TUS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.