Republic Airways is the most reliable airline on the RDU to CVG route with a 92% on-time rate, compared to Frontier Airlines at 72%. Based on 408 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: RDU to CVG
Raleigh to Cincinnati — airline reliability comparison
On-Time Rate by Airline
Republic Airways92%
Endeavor Air91%
91%
SkyWest Airlines86%
Frontier Airlines72%
RDU to CVG Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Republic AirwaysYXBest | 92% | 0.7% | 48m | 408 |
| Endeavor Air9E | 91% | 0.0% | 102m | 253 |
| MQ | 91% | 1.3% | 72m | 229 |
| SkyWest AirlinesOO | 86% | 0.9% | 52m | 214 |
| Frontier AirlinesF9Worst | 72% | 4.4% | 51m | 89 |
Route Overview
89%
Overall On-Time
69m
Avg Delay
1%
Cancel Rate
1,246
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.