Frontier Airlines is the most reliable airline on the BUF to RDU route with a 79% on-time rate. Based on 277 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BUF to RDU
Buffalo to Raleigh — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines79%
BUF to RDU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 79% | 2.1% | 51m | 277 |
Route Overview
79%
Overall On-Time
52m
Avg Delay
2.2%
Cancel Rate
277
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.