SkyWest Airlines is the most reliable airline on the SLC to IAH route with a 85% on-time rate, compared to Delta Air Lines at 81%. Based on 555 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SLC to IAH
Salt Lake City to Houston — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines85%
United Airlines84%
Delta Air Lines81%
SLC to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 85% | 0.9% | 72m | 555 |
| United AirlinesUA | 84% | 1.8% | 75m | 2,848 |
| Delta Air LinesDLWorst | 81% | 0.5% | 72m | 3,683 |
Route Overview
83%
Overall On-Time
73m
Avg Delay
1%
Cancel Rate
7,143
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.