PlainFlights

Route · DEN → ORD · 2020–2025 BTS data

Denver to Chicago

The DEN–ORD corridor (Denver, CO → Chicago, IL) runs behind the national average, served by 27 carriers across roughly 888 miles.

Data updated 2026-06-13

76.8%
On-time
-2.2 pts
vs US avg
76 min
Delay when late
35,925
Flights

Cancelled

1.0%

Best Month

Dec 2024 86%

Worst Month

Jul 2025 58%

Distance

888 mi

Carriers

27

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 416 126 3 1 WN,F9,AA,MQ,UA
Nov 2025 422 117 10 0 UA,F9,AA,WN
Oct 2025 616 144 2 0 AA,UA,WN,F9
Sep 2025 604 135 0 0 UA,WN,F9,AA
Aug 2025 600 202 8 5 AA,WN,F9,UA
Jul 2025 583 242 16 6 AA,UA,WN,F9
Jun 2025 568 233 1 2 AA,UA,WN,F9,MQ
May 2025 552 152 1 2 AA,UA,WN,F9
Apr 2025 492 130 4 1 F9,UA,WN,AA
Mar 2025 506 108 0 1 AA,UA,WN,F9
Feb 2025 430 92 2 0 AA,UA,WN,F9
Jan 2025 463 120 4 0 AA,UA,WN,F9
Dec 2024 515 72 2 0 AA,F9,MQ,UA,WN
Nov 2024 535 109 2 0 UA,WN,F9,AA
Oct 2024 577 81 0 0 UA,WN,F9,AA
Sep 2024 562 86 1 0 WN,UA,AA,F9
Aug 2024 582 173 5 2 AA,F9,WN,UA
Jul 2024 578 195 8 6 AA,F9,UA,WN
Jun 2024 534 156 5 2 AA,F9,UA,WN
May 2024 583 189 6 10 AA,F9,UA,WN
Apr 2024 556 129 5 0 AA,F9,UA,WN
Mar 2024 530 96 11 0 AA,UA,WN
Feb 2024 447 96 3 2 AA,UA,WN
Jan 2024 481 124 34 1 AA,WN,UA

Cancellation Rate

1.0%

133 of 12,732 flights

Diversion Rate

0.3%

41 of 12,732 flights

What the Data Says About DEN to ORD

The Denver to Chicago corridor (DEN to ORD) posts a 76.8% on-time rate on the lower edge of the average band, based on 35,925 tracked flights. Late flights run 75.7 minutes behind on average. 27 carriers cover the 888-mile route; over the last 24 months, 133 of 12,732 flights were cancelled (1.0%) and 0.3% diverted.

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 86% on-time, while Jul 2025 came in at just 58% - a 28-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from DEN to ORD?
Flights from Denver to Chicago have a 76.8% on-time rate based on 35,925 flights. The average delay is 75.7 minutes. The best recent month was Dec 2024 with 86% on-time.
What is the cancellation rate for DEN to ORD?
Over the last 24 months, 1.0% of flights on this route were cancelled (133 of 12,732 flights) and 0.3% were diverted.
How far is the flight from DEN to ORD?
The flight distance from Denver (DEN) to Chicago (ORD) is approximately 888 miles. This route is served by 27 carriers.
When is the best time to fly from DEN to ORD?
The best recent month for on-time performance was Dec 2024 (86% on-time). The worst was Jul 2025 (58% 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.