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
Explore origin & destination
On-time and delay data for the airports this route connects.
IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
Destination airport →Compare the two airports
See IAD and DTW side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAD–DTW.
Routes with a similar on-time rate
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
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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.
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.