Route · DEN → DCA · 2020–2025 BTS data
Denver to Washington
The DEN–DCA corridor (Denver, CO → Washington, DC) runs ahead of the national average, served by 2 carriers across roughly 1,476 miles.
Data updated 2026-06-13
- 81.7%
- On-time
- +2.7 pts
- vs US avg
- 67 min
- Delay when late
- 8,053
- Flights
Cancelled
0.8%
Best Month
Oct 2025 88%
Worst Month
Feb 2025 54%
Distance
1,476 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 114 | 15 | 0 | 0 | F9,UA |
| Nov 2025 | 112 | 21 | 0 | 0 | UA,F9 |
| Oct 2025 | 115 | 14 | 0 | 0 | UA,F9 |
| Sep 2025 | 110 | 25 | 0 | 1 | UA,F9 |
| Aug 2025 | 116 | 26 | 0 | 1 | F9,UA |
| Jul 2025 | 114 | 28 | 1 | 5 | UA,F9 |
| Jun 2025 | 109 | 35 | 0 | 2 | UA,F9 |
| May 2025 | 123 | 26 | 1 | 1 | UA,F9 |
| Apr 2025 | 120 | 21 | 0 | 0 | F9,UA |
| Mar 2025 | 124 | 33 | 0 | 0 | UA,F9 |
| Feb 2025 | 112 | 51 | 0 | 1 | UA,F9 |
| Jan 2025 | 124 | 36 | 4 | 1 | UA,F9 |
| Dec 2024 | 124 | 21 | 0 | 0 | F9,UA |
| Nov 2024 | 120 | 28 | 1 | 0 | UA,F9 |
| Oct 2024 | 124 | 27 | 0 | 0 | UA,F9 |
| Sep 2024 | 120 | 15 | 2 | 1 | UA,F9 |
| Aug 2024 | 124 | 24 | 3 | 2 | F9,UA |
| Jul 2024 | 124 | 29 | 3 | 3 | F9,UA |
| Jun 2024 | 119 | 24 | 2 | 0 | F9,UA |
| May 2024 | 124 | 37 | 1 | 2 | F9,UA |
| Apr 2024 | 120 | 31 | 2 | 0 | F9,UA |
| Mar 2024 | 124 | 22 | 3 | 0 | F9,UA |
| Feb 2024 | 116 | 20 | 0 | 0 | F9,UA |
| Jan 2024 | 124 | 28 | 0 | 0 | F9,UA |
Cancellation Rate
0.8%
23 of 2,856 flights
Diversion Rate
0.7%
20 of 2,856 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Origin airport →DCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Destination airport →Compare the two airports
See DEN and DCA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–DCA.
Routes with a similar on-time rate
What the Data Says About DEN to DCA
8,053 tracked flights put the DEN to DCA pairing (Denver to Washington) at a 81.7% on-time rate, squarely in line with the wider network. Delays that do occur run 67.0 minutes on average. Across the 1,476-mile route and its 2 carriers, the trailing 24 months show 0.8% cancelled and 0.7% diverted (2,856 flights sampled).
The monthly split is wide on this route: Oct 2025 posted the strongest performance at 88% on-time, while Feb 2025 came in at just 54% - a 33-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from DEN to DCA? ▼
What is the cancellation rate for DEN to DCA? ▼
How far is the flight from DEN to DCA? ▼
When is the best time to fly from DEN to DCA? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.