Republic Airways is the most reliable airline on the PWM to DCA route with a 86% on-time rate, compared to at 68%. Based on 727 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PWM to DCA
Portland to Washington — airline reliability comparison
On-Time Rate by Airline
Republic Airways86%
PSA Airlines77%
American Airlines74%
68%
PWM to DCA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Republic AirwaysYXBest | 86% | 2.4% | 70m | 727 |
| PSA AirlinesOH | 77% | 4.4% | 113m | 1,622 |
| American AirlinesAA | 74% | 1.6% | 110m | 1,741 |
| MQWorst | 68% | 0.0% | 74m | 50 |
Route Overview
78%
Overall On-Time
108m
Avg Delay
3.1%
Cancel Rate
4,249
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.