United Airlines is the most reliable airline on the CVG to IAD route with a 94% on-time rate, compared to Republic Airways at 90%. Based on 17 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CVG to IAD
Cincinnati to Washington — airline reliability comparison
On-Time Rate by Airline
United Airlines94%
Republic Airways90%
CVG to IAD Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 94% | 0.0% | 16m | 17 |
| Republic AirwaysYXWorst | 90% | 0.7% | 67m | 1,407 |
Route Overview
90%
Overall On-Time
72m
Avg Delay
1%
Cancel Rate
1,430
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.