is the most reliable airline on the DSM to DCA route with a 84% on-time rate, compared to Republic Airways at 78%. Based on 187 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DSM to DCA
Des Moines to Washington — airline reliability comparison
On-Time Rate by Airline
84%
PSA Airlines81%
Republic Airways78%
DSM to DCA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| MQBest | 84% | 2.2% | 65m | 187 |
| PSA AirlinesOH | 81% | 3.8% | 101m | 1,767 |
| Republic AirwaysYXWorst | 78% | 3.0% | 54m | 615 |
Route Overview
81%
Overall On-Time
87m
Avg Delay
3.7%
Cancel Rate
2,668
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.