Route · DCA → PWM · 2020–2025 BTS data
Washington to Portland
The DCA–PWM corridor (Washington, DC → Portland, ME) runs behind the national average, served by 19 carriers across roughly 482 miles.
Data updated 2026-06-13
- 78.5%
- On-time
- -0.5 pts
- vs US avg
- 75 min
- Delay when late
- 6,198
- Flights
Cancelled
3.3%
Best Month
Oct 2024 85%
Worst Month
Dec 2024 59%
Distance
482 mi
Carriers
19
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 28 | 2 | 0 | OH,AA |
| Nov 2025 | 88 | 14 | 0 | 2 | OH,AA,YX |
| Oct 2025 | 121 | 39 | 2 | 0 | AA,OH,YX |
| Sep 2025 | 116 | 32 | 0 | 0 | OH,AA |
| Aug 2025 | 114 | 28 | 0 | 0 | AA,YX,OH |
| Jul 2025 | 88 | 24 | 16 | 0 | AA,OH,YX,MQ |
| Jun 2025 | 89 | 27 | 6 | 0 | AA,OH,YX,MQ |
| May 2025 | 119 | 28 | 5 | 1 | AA,OH,YX |
| Apr 2025 | 116 | 26 | 0 | 0 | OH,YX,AA |
| Mar 2025 | 119 | 28 | 3 | 0 | AA,OH,YX |
| Feb 2025 | 108 | 41 | 12 | 0 | AA,OH |
| Jan 2025 | 120 | 24 | 17 | 1 | AA,OH,YX |
| Dec 2024 | 113 | 46 | 1 | 0 | AA,OH,YX |
| Nov 2024 | 111 | 22 | 1 | 0 | MQ,YX,OH,AA |
| Oct 2024 | 123 | 18 | 0 | 0 | MQ,YX,AA,OH |
| Sep 2024 | 114 | 18 | 0 | 0 | YX,AA |
| Aug 2024 | 100 | 28 | 4 | 0 | AA,MQ,OH,YX |
| Jul 2024 | 93 | 36 | 0 | 0 | AA,OH,YX |
| Jun 2024 | 94 | 21 | 1 | 1 | AA,OH,YX |
| May 2024 | 115 | 21 | 3 | 0 | AA,OH,YX |
| Apr 2024 | 107 | 18 | 1 | 0 | AA,OH,YX |
| Mar 2024 | 111 | 24 | 0 | 0 | AA,OH,YX |
| Feb 2024 | 108 | 20 | 0 | 0 | OH,YX |
| Jan 2024 | 110 | 27 | 12 | 0 | AA,OH |
Cancellation Rate
3.3%
86 of 2,587 flights
Diversion Rate
0.2%
5 of 2,587 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →PWM - Portland
Full on-time, delay-cause, and seasonal performance for Portland, ME.
Destination airport →Compare the two airports
See DCA and PWM side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DCA–PWM.
Routes with a similar on-time rate
What the Data Says About DCA to PWM
6,198 tracked flights put the DCA to PWM pairing (Washington to Portland) at a 78.5% on-time rate, squarely in line with the wider network. Delays that do occur run 74.7 minutes on average. Across the 482-mile route and its 19 carriers, the trailing 24 months show 3.3% cancelled and 0.2% diverted (2,587 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 85% on-time, while Dec 2024 came in at just 59% - a 26-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.