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Route · MDW → DCA · 2020–2025 BTS data

Chicago to Washington

The MDW–DCA corridor (Chicago, IL → Washington, DC) runs ahead of the national average, served by 1 carrier across roughly 601 miles.

Data updated 2026-06-13

79%
On-time
+0 pts
vs US avg
59 min
Delay when late
11,191
Flights

Cancelled

1.7%

Best Month

Feb 2024 95%

Worst Month

Feb 2025 60%

Distance

601 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 173 57 0 0 WN
Nov 2025 170 51 10 1 WN
Oct 2025 181 57 0 0 WN
Sep 2025 176 38 0 0 WN
Aug 2025 181 43 1 1 WN
Jul 2025 181 58 12 3 WN
Jun 2025 176 56 3 1 WN
May 2025 176 43 0 3 WN
Apr 2025 173 26 1 0 WN
Mar 2025 180 40 1 1 WN
Feb 2025 156 63 2 0 WN
Jan 2025 179 28 16 0 WN
Dec 2024 172 33 2 0 WN
Nov 2024 168 24 2 0 WN
Oct 2024 182 29 0 0 WN
Sep 2024 176 21 0 0 WN
Aug 2024 181 38 1 1 WN
Jul 2024 181 55 2 3 WN
Jun 2024 174 39 0 1 WN
May 2024 178 59 0 2 WN
Apr 2024 171 22 0 1 WN
Mar 2024 172 29 0 0 WN
Feb 2024 166 9 0 0 WN
Jan 2024 178 46 19 0 WN

Cancellation Rate

1.7%

72 of 4,201 flights

Diversion Rate

0.4%

18 of 4,201 flights

What the Data Says About MDW to DCA

11,191 tracked flights put the MDW to DCA pairing (Chicago to Washington) at a 79% on-time rate, squarely in line with the wider network. Delays that do occur run 58.7 minutes on average. Across the 601-mile route and its 1 carrier, the trailing 24 months show 1.7% cancelled and 0.4% diverted (4,201 flights sampled).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 95% on-time, while Feb 2025 came in at just 60% - a 35-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from MDW to DCA?
Flights from Chicago to Washington have a 79% on-time rate based on 11,191 flights. The average delay is 58.7 minutes. The best recent month was Feb 2024 with 95% on-time.
What is the cancellation rate for MDW to DCA?
Over the last 24 months, 1.7% of flights on this route were cancelled (72 of 4,201 flights) and 0.4% were diverted.
How far is the flight from MDW to DCA?
The flight distance from Chicago (MDW) to Washington (DCA) is approximately 601 miles. This route is served by 1 carrier.
When is the best time to fly from MDW to DCA?
The best recent month for on-time performance was Feb 2024 (95% on-time). The worst was Feb 2025 (60% 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.