is the most reliable airline on the RDU to PIT route with a 91% on-time rate, compared to Frontier Airlines at 57%. Based on 37 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: RDU to PIT
Raleigh to Pittsburgh — airline reliability comparison
On-Time Rate by Airline
91%
Republic Airways89%
Frontier Airlines57%
RDU to PIT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| MQBest | 91% | 8.4% | 58m | 37 |
| Republic AirwaysYX | 89% | 1.0% | 62m | 2,441 |
| Frontier AirlinesF9Worst | 57% | 5.9% | 56m | 45 |
Route Overview
88%
Overall On-Time
62m
Avg Delay
1.2%
Cancel Rate
2,547
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.