PlainFlights

Route · MDW → DEN · 2020–2025 BTS data

Chicago to Denver

The MDW–DEN corridor (Chicago, IL → Denver, CO) runs ahead of the national average, served by 3 carriers across roughly 895 miles.

Data updated 2026-06-13

79.2%
On-time
+0.2 pts
vs US avg
63 min
Delay when late
17,682
Flights

Cancelled

1.4%

Best Month

Nov 2024 93%

Worst Month

Dec 2025 59%

Distance

895 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 197 81 2 0 WN,F9
Nov 2025 188 32 11 0 F9,WN
Oct 2025 213 40 0 1 WN,F9
Sep 2025 202 30 0 0 WN,F9
Aug 2025 226 58 1 3 WN,F9
Jul 2025 299 113 3 1 WN,F9
Jun 2025 277 95 2 0 WN,F9
May 2025 212 64 4 0 WN,F9
Apr 2025 215 49 3 1 F9,WN
Mar 2025 217 36 1 0 WN,F9
Feb 2025 189 36 2 0 WN,F9
Jan 2025 216 40 0 0 WN,F9
Dec 2024 246 35 1 0 F9,WN
Nov 2024 239 17 4 1 WN,F9
Oct 2024 272 22 2 0 WN,F9
Sep 2024 265 21 1 1 WN,F9
Aug 2024 284 65 2 0 F9,WN
Jul 2024 349 76 5 1 F9,WN
Jun 2024 338 102 3 1 F9,WN
May 2024 276 81 7 1 F9,WN
Apr 2024 268 44 0 0 F9,WN
Mar 2024 266 48 7 0 F9,WN
Feb 2024 222 37 0 1 F9,WN
Jan 2024 255 52 23 1 F9,WN

Cancellation Rate

1.4%

84 of 5,931 flights

Diversion Rate

0.2%

13 of 5,931 flights

What the Data Says About MDW to DEN

17,682 tracked flights put the MDW to DEN pairing (Chicago to Denver) at a 79.2% on-time rate, squarely in line with the wider network. Delays that do occur run 63.3 minutes on average. Across the 895-mile route and its 3 carriers, the trailing 24 months show 1.4% cancelled and 0.2% diverted (5,931 flights sampled).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 93% on-time, while Dec 2025 came in at just 59% - a 34-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from MDW to DEN?
Flights from Chicago to Denver have a 79.2% on-time rate based on 17,682 flights. The average delay is 63.3 minutes. The best recent month was Nov 2024 with 93% on-time.
What is the cancellation rate for MDW to DEN?
Over the last 24 months, 1.4% of flights on this route were cancelled (84 of 5,931 flights) and 0.2% were diverted.
How far is the flight from MDW to DEN?
The flight distance from Chicago (MDW) to Denver (DEN) is approximately 895 miles. This route is served by 3 carriers.
When is the best time to fly from MDW to DEN?
The best recent month for on-time performance was Nov 2024 (93% on-time). The worst was Dec 2025 (59% on-time). Consider booking during months with historically better performance.

Explore PlainFlights

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.