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Route · DCA → DEN · 2020–2025 BTS data

Washington to Denver

The DCA–DEN corridor (Washington, DC → Denver, CO) runs ahead of the national average, served by 2 carriers across roughly 1,476 miles.

Data updated 2026-06-13

83%
On-time
+4 pts
vs US avg
90 min
Delay when late
8,051
Flights

Cancelled

0.9%

Best Month

Dec 2024 90%

Worst Month

Feb 2025 57%

Distance

1,476 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 114 30 0 1 F9,UA
Nov 2025 112 23 0 0 UA,F9
Oct 2025 115 14 1 0 UA,F9
Sep 2025 110 26 0 0 UA,F9
Aug 2025 115 25 0 1 F9,UA
Jul 2025 113 33 1 3 UA,F9
Jun 2025 109 28 0 1 UA,F9
May 2025 123 34 1 1 UA,F9
Apr 2025 120 33 0 1 F9,UA
Mar 2025 123 17 1 0 UA,F9
Feb 2025 112 48 0 0 UA,F9
Jan 2025 124 26 5 0 UA,F9
Dec 2024 124 12 0 0 F9,UA
Nov 2024 120 24 1 0 UA,F9
Oct 2024 124 26 0 0 UA,F9
Sep 2024 120 14 2 0 UA,F9
Aug 2024 124 36 2 2 F9,UA
Jul 2024 124 24 4 2 F9,UA
Jun 2024 119 25 2 0 F9,UA
May 2024 124 35 1 0 F9,UA
Apr 2024 120 25 2 0 F9,UA
Mar 2024 124 16 3 0 F9,UA
Feb 2024 116 15 0 0 F9,UA
Jan 2024 124 23 0 0 F9,UA

Cancellation Rate

0.9%

26 of 2,853 flights

Diversion Rate

0.4%

12 of 2,853 flights

What the Data Says About DCA to DEN

Bureau of Transportation Statistics records show Washington to Denver (DCA to DEN) running a 83% on-time rate over 8,051 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 90.2 minutes. The 1,476-mile corridor is served by 2 carriers, and over the last 24 months 0.9% of 2,853 flights were cancelled, 0.4% diverted.

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 90% on-time, while Feb 2025 came in at just 57% - a 33-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from DCA to DEN?
Flights from Washington to Denver have a 83% on-time rate based on 8,051 flights. The average delay is 90.2 minutes. The best recent month was Dec 2024 with 90% on-time.
What is the cancellation rate for DCA to DEN?
Over the last 24 months, 0.9% of flights on this route were cancelled (26 of 2,853 flights) and 0.4% were diverted.
How far is the flight from DCA to DEN?
The flight distance from Washington (DCA) to Denver (DEN) is approximately 1,476 miles. This route is served by 2 carriers.
When is the best time to fly from DCA to DEN?
The best recent month for on-time performance was Dec 2024 (90% on-time). The worst was Feb 2025 (57% on-time). Consider booking during months with historically better performance.

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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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

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.