Route · PWM → DCA · 2020–2025 BTS data
Portland to Washington
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PWM to DCA (Portland to Washington) ranks #2022 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.2%
- On-time
- +1.2 pts
- vs US avg
- 104 min
- Delay when late
- 6,201
- Flights
- #2022 of 4927
- Corpus placement
Cancelled
3.0%
Best Month
Feb 2024 94%
Worst Month
Feb 2025 62%
Distance
482 mi
Carriers
19
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 21 | 3 | 0 | OH,AA |
| Nov 2025 | 88 | 15 | 1 | 1 | OH,AA,YX |
| Oct 2025 | 121 | 30 | 2 | 0 | AA,OH,YX |
| Sep 2025 | 116 | 29 | 0 | 1 | OH,AA |
| Aug 2025 | 114 | 24 | 1 | 1 | AA,YX,OH |
| Jul 2025 | 88 | 25 | 8 | 1 | AA,OH,YX,MQ |
| Jun 2025 | 90 | 30 | 3 | 1 | AA,OH,YX,MQ |
| May 2025 | 119 | 38 | 4 | 0 | AA,OH,YX |
| Apr 2025 | 116 | 28 | 1 | 0 | OH,YX,AA |
| Mar 2025 | 119 | 27 | 3 | 0 | AA,OH,YX |
| Feb 2025 | 108 | 41 | 17 | 2 | AA,OH |
| Jan 2025 | 120 | 20 | 14 | 1 | AA,OH,YX |
| Dec 2024 | 113 | 30 | 1 | 1 | AA,OH,YX |
| Nov 2024 | 111 | 17 | 0 | 0 | MQ,YX,OH,AA |
| Oct 2024 | 123 | 13 | 0 | 0 | MQ,YX,AA,OH |
| Sep 2024 | 114 | 11 | 0 | 0 | YX,AA |
| Aug 2024 | 100 | 28 | 5 | 1 | AA,MQ,OH,YX |
| Jul 2024 | 93 | 23 | 1 | 2 | AA,OH,YX |
| Jun 2024 | 94 | 24 | 1 | 0 | AA,OH,YX |
| May 2024 | 115 | 19 | 1 | 1 | AA,OH,YX |
| Apr 2024 | 107 | 17 | 2 | 1 | AA,OH,YX |
| Mar 2024 | 111 | 19 | 0 | 0 | AA,OH,YX |
| Feb 2024 | 108 | 7 | 0 | 0 | OH,YX |
| Jan 2024 | 110 | 31 | 10 | 1 | AA,OH |
PWM–DCA seasonal on-time pattern
Best: September (84.2%) · weakest: June (75.8%)
Strongest calendar month
September
84.2% on-time · ~101 flights/mo
Busiest calendar month
January
~110 flights/mo avg
Weakest calendar month
June
75.8% on-time · ~93 flights/mo
Cancellation Rate
3.0%
78 of 2,588 flights
Diversion Rate
0.6%
15 of 2,588 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PWM - Portland
Full on-time, delay-cause, and seasonal performance for Portland, ME.
PWM on-time profileDCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
DCA on-time profileCompare the two airports
See PWM and DCA side by side on delays, cancellations, and reliability.
Compare PWM vs DCAOrigin-hub reliability standing
Mid-pack among PWM departures
From PWM, this corridor sits with 9 other 75–85% on-time routes out of 12 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 1 below 75%). Destination: Washington · fleet on-time rank #3083 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PWM–DCA.
Routes with a similar on-time rate
What the Data Says About PWM to DCA
6,201 tracked flights put the PWM to DCA pairing (Portland to Washington) at a 80.2% on-time rate, squarely in line with the wider network. Delays that do occur run 104.3 minutes on average. Across the 482-mile route and its 19 carriers, the trailing 24 months show 3.0% cancelled and 0.6% diverted (2,588 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 94% on-time, while Feb 2025 came in at just 62% - a 32-point swing worth factoring into travel timing.
On the multi-year calendar, PWM–DCA peaks in September at 84.2% on-time while January carries the heaviest traffic (~110 flights per month) ; the softest month is June at 75.8%, a 8.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PWM to DCA rank among US routes by traffic? ▼
How often are flights delayed from PWM to DCA? ▼
What is the cancellation rate for PWM to DCA? ▼
How far is the flight from PWM to DCA? ▼
When is the best time to fly from PWM to DCA? ▼
Airports on this route
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.
Using PWM–DCA data
PWM–DCA is mid-pack at 80.2% on-time; month and carrier mix move more than the corridor headline.
- Compare PWM and DCA airport profiles: delay causes and top routes differ even on the same corridor. PWM airport
- If your dates flex, September (84.2% on-time) beats June (75.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.2% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.