Frontier Airlines is the most reliable airline on the PWM to RDU route with a 71% on-time rate. Based on 86 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PWM to RDU
Portland to Raleigh — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines71%
PWM to RDU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 71% | 10.9% | 52m | 86 |
Route Overview
73%
Overall On-Time
53m
Avg Delay
10.5%
Cancel Rate
86
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.