DCA to MDW flight delays

DCA MDW Ronald Reagan Washington to Chicago Midway · 601 miles

6,335 flights were scheduled from DCA to MDW over July 2023 through June 2026. Of the 6,188 that made the trip, 80.4% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
6,335
Arrived on time
80.4%
Cancelled
2%
Scheduled distance
601 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on DCA–MDW, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Southwest Airlines 80.4% 64 min 2% 6,335

Month by month

July was the month to avoid on DCA–MDW: 67.9% of flights arrived on time, against 87.5% in September. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 80.4%.
Arrival on-time share, DCA to MDW, by calendar month
Month Share flights that arrived on time Flights
January 85.9% 536
February 82.7% 479
March 77.1% 533
April 81.1% 517
May 73.4% 530
June 74.4% 526
July 67.9% 548
August 80.6% 548
September 87.5% 532
October 86.9% 549
November 85.3% 512
December 82% 525

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

DCA to MDW in one number

DCA → MDW

When a flight on this route was late, it was late by about 64 min.

July 2023–June 2026 · 6,335 flights

80.4% of flights arrived on time

Questions about DCA to MDW

How often do DCA to MDW flights arrive on time?
80.4% of the time, across the 6,188 flights that actually made the trip, July 2023 through June 2026. No single airline flew enough of them to be rated separately.
What is the worst month to fly DCA to MDW?
July, at 67.9% of arrivals on time, with 548 flights scheduled. September was the best of the year at 87.5%.
How late are DCA–MDW flights when they are late?
64 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the DCA to MDW flight cancelled?
2% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at MDW less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.