Route · BOS → DCA · 2020–2025 BTS data
Boston to Washington
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BOS to DCA (Boston to Washington) ranks #13 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81.6%
- On-time
- +2.6 pts
- vs US avg
- 78 min
- Delay when late
- 49,205
- Flights
- #13 of 4927
- Corpus placement
Cancelled
2.3%
Best Month
Nov 2024 90%
Worst Month
Feb 2025 57%
Distance
399 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 689 | 205 | 8 | 0 | B6,YX,AA,MQ |
| Nov 2025 | 736 | 187 | 22 | 6 | MQ,AA,B6,YX |
| Oct 2025 | 773 | 211 | 18 | 1 | AA,B6,YX |
| Sep 2025 | 762 | 230 | 14 | 3 | YX,AA,B6 |
| Aug 2025 | 741 | 129 | 12 | 1 | AA,YX,B6 |
| Jul 2025 | 750 | 179 | 80 | 4 | AA,B6,YX,MQ |
| Jun 2025 | 746 | 212 | 25 | 4 | AA,B6,YX |
| May 2025 | 800 | 236 | 9 | 3 | AA,B6,DL,YX |
| Apr 2025 | 768 | 143 | 1 | 1 | YX,AA,B6 |
| Mar 2025 | 839 | 165 | 2 | 2 | AA,B6,YX,MQ |
| Feb 2025 | 752 | 327 | 38 | 4 | AA,B6,YX,MQ |
| Jan 2025 | 776 | 117 | 59 | 2 | AA,B6,YX,MQ |
| Dec 2024 | 729 | 170 | 13 | 1 | AA,B6,YX |
| Nov 2024 | 793 | 79 | 0 | 0 | YX,B6,DL,AA |
| Oct 2024 | 912 | 95 | 3 | 1 | DL,YX,B6,AA |
| Sep 2024 | 833 | 111 | 0 | 3 | YX,AA,B6,DL |
| Aug 2024 | 814 | 222 | 50 | 2 | AA,B6,DL,YX |
| Jul 2024 | 830 | 197 | 11 | 9 | AA,B6,DL,YX |
| Jun 2024 | 807 | 169 | 14 | 1 | AA,B6,DL,YX |
| May 2024 | 854 | 210 | 3 | 1 | AA,B6,YX |
| Apr 2024 | 765 | 137 | 11 | 1 | AA,B6,YX |
| Mar 2024 | 825 | 93 | 1 | 0 | AA,B6,YX |
| Feb 2024 | 764 | 106 | 9 | 0 | AA,B6,YX |
| Jan 2024 | 731 | 150 | 38 | 5 | AA,B6,YX |
BOS–DCA seasonal on-time pattern
Best: November (85.7%) · weakest: July (77.0%)
Strongest calendar month
November
85.7% on-time · ~729 flights/mo
Busiest calendar month
March
~789 flights/mo avg
Weakest calendar month
July
77.0% on-time · ~654 flights/mo
Cancellation Rate
2.3%
441 of 18,789 flights
Diversion Rate
0.3%
55 of 18,789 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
BOS on-time profileDCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
DCA on-time profileCompare the two airports
See BOS and DCA side by side on delays, cancellations, and reliability.
Compare BOS vs DCAOrigin-hub reliability standing
Mid-pack among BOS departures
From BOS, this corridor sits with 49 other 75–85% on-time routes out of 60 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 5 below 75%). Destination: Washington · fleet on-time rank #2501 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOS–DCA.
Routes with a similar on-time rate
What the Data Says About BOS to DCA
49,205 tracked flights put the BOS to DCA pairing (Boston to Washington) at a 81.6% on-time rate, squarely in line with the wider network. Delays that do occur run 77.5 minutes on average. Across the 399-mile route and its 16 carriers, the trailing 24 months show 2.3% cancelled and 0.3% diverted (18,789 flights sampled).
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 90% on-time, while Feb 2025 came in at just 57% - a 34-point swing worth factoring into travel timing.
On the multi-year calendar, BOS–DCA peaks in November at 85.7% on-time while March carries the heaviest traffic (~789 flights per month) ; the softest month is July at 77.0%, a 8.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BOS to DCA rank among US routes by traffic? ▼
How often are flights delayed from BOS to DCA? ▼
What is the cancellation rate for BOS to DCA? ▼
How far is the flight from BOS to DCA? ▼
When is the best time to fly from BOS 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 BOS–DCA data
BOS–DCA is mid-pack at 81.6% on-time; month and carrier mix move more than the corridor headline.
- Compare BOS and DCA airport profiles: delay causes and top routes differ even on the same corridor. BOS airport
- If your dates flex, November (85.7% on-time) beats July (77.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 81.6% 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.