United Airlines is the most reliable airline on the DSM to IAH route with a 89% on-time rate, compared to SkyWest Airlines at 80%. Based on 1,069 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DSM to IAH
Des Moines to Houston — airline reliability comparison
On-Time Rate by Airline
United Airlines89%
SkyWest Airlines80%
DSM to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 89% | 2.0% | 73m | 1,069 |
| SkyWest AirlinesOOWorst | 80% | 2.7% | 99m | 322 |
Route Overview
87%
Overall On-Time
79m
Avg Delay
2%
Cancel Rate
1,429
Total Flights
Flying out of DSM? 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.