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Route · IAD → DTW · 2020–2025 BTS data

Washington to Detroit

The IAD–DTW corridor (Washington, DC → Detroit, MI) runs ahead of the national average, served by 39 carriers across roughly 383 miles.

Data updated 2026-06-13

84.9%
On-time
+5.9 pts
vs US avg
98 min
Delay when late
9,219
Flights

Cancelled

0.5%

Best Month

Feb 2024 94%

Worst Month

Dec 2025 56%

Distance

383 mi

Carriers

39

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 61 27 0 0 YX,OO
Nov 2025 36 11 0 0 OO
Oct 2025 89 6 0 0 OO,YX
Sep 2025 78 7 0 0 OO,YX
Aug 2025 82 19 0 0 OO,YX
Jul 2025 86 30 4 0 OO,YX
Jun 2025 115 30 0 0 OO,YX
May 2025 131 28 0 0 OO,YX
Apr 2025 105 16 0 0 DL,OO,YX
Mar 2025 102 11 0 0 DL,YX,OO,UA
Feb 2025 84 21 0 0 OO
Jan 2025 93 26 2 0 YX,OO
Dec 2024 108 20 0 0 9E,OO,UA,YX
Nov 2024 106 25 0 0 OO
Oct 2024 115 10 0 0 OO
Sep 2024 112 14 0 0 OO,UA,DL
Aug 2024 116 37 1 1 DL,OO
Jul 2024 113 30 0 0 DL,OO
Jun 2024 114 24 0 0 DL,OO
May 2024 120 16 0 0 DL,OO
Apr 2024 99 16 1 0 9E,DL,OO
Mar 2024 99 12 0 0 9E,DL,OO,UA
Feb 2024 108 7 0 0 9E,DL,OO,UA,YX
Jan 2024 110 22 3 0 9E,DL,YX,OO

Cancellation Rate

0.5%

11 of 2,382 flights

Diversion Rate

0.0%

1 of 2,382 flights

What the Data Says About IAD to DTW

Bureau of Transportation Statistics records show Washington to Detroit (IAD to DTW) running a 84.9% on-time rate over 9,219 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 98.3 minutes. The 383-mile corridor is served by 39 carriers, and over the last 24 months 0.5% of 2,382 flights were cancelled, 0.0% diverted.

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 56% - a 38-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from IAD to DTW?
Flights from Washington to Detroit have a 84.9% on-time rate based on 9,219 flights. The average delay is 98.3 minutes. The best recent month was Feb 2024 with 94% on-time.
What is the cancellation rate for IAD to DTW?
Over the last 24 months, 0.5% of flights on this route were cancelled (11 of 2,382 flights) and 0.0% were diverted.
How far is the flight from IAD to DTW?
The flight distance from Washington (IAD) to Detroit (DTW) is approximately 383 miles. This route is served by 39 carriers.
When is the best time to fly from IAD to DTW?
The best recent month for on-time performance was Feb 2024 (94% on-time). The worst was Dec 2025 (56% 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.