SkyWest Airlines is the most reliable airline on the IAH to DSM route with a 84% on-time rate, compared to United Airlines at 67%. Based on 324 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAH to DSM
Houston to Des Moines — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines84%
United Airlines67%
IAH to DSM Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 84% | 2.1% | 62m | 324 |
| United AirlinesUAWorst | 67% | 1.4% | 55m | 1,068 |
Route Overview
71%
Overall On-Time
58m
Avg Delay
1.5%
Cancel Rate
1,429
Total Flights
Flying out of IAH? 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.