Route · ORD → DEN · 2020–2025 BTS data
Chicago to Denver
The ORD–DEN corridor (Chicago, IL → Denver, CO) runs ahead of the national average, served by 27 carriers across roughly 888 miles.
Data updated 2026-06-13
- 79.3%
- On-time
- +0.3 pts
- vs US avg
- 72 min
- Delay when late
- 35,971
- Flights
Cancelled
1.2%
Best Month
Feb 2024 89%
Worst Month
May 2024 65%
Distance
888 mi
Carriers
27
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 417 | 142 | 3 | 2 | WN,F9,AA,MQ,UA |
| Nov 2025 | 423 | 103 | 15 | 0 | UA,F9,AA,WN |
| Oct 2025 | 616 | 132 | 1 | 0 | AA,UA,WN,F9 |
| Sep 2025 | 605 | 118 | 1 | 2 | UA,WN,F9,AA |
| Aug 2025 | 598 | 159 | 9 | 5 | AA,WN,F9,UA |
| Jul 2025 | 583 | 192 | 17 | 4 | AA,UA,WN,F9 |
| Jun 2025 | 567 | 165 | 2 | 3 | AA,UA,WN,F9,MQ |
| May 2025 | 553 | 134 | 0 | 0 | AA,UA,WN,F9 |
| Apr 2025 | 493 | 125 | 2 | 1 | F9,UA,WN,AA |
| Mar 2025 | 520 | 75 | 0 | 1 | AA,UA,WN,F9 |
| Feb 2025 | 428 | 102 | 3 | 0 | AA,UA,WN,F9 |
| Jan 2025 | 468 | 84 | 4 | 0 | AA,UA,WN,F9 |
| Dec 2024 | 515 | 88 | 2 | 0 | AA,F9,MQ,UA,WN |
| Nov 2024 | 534 | 90 | 4 | 0 | UA,WN,F9,AA |
| Oct 2024 | 578 | 74 | 0 | 0 | UA,WN,F9,AA |
| Sep 2024 | 562 | 78 | 1 | 0 | WN,UA,AA,F9 |
| Aug 2024 | 582 | 164 | 6 | 2 | AA,F9,WN,UA |
| Jul 2024 | 578 | 181 | 11 | 2 | AA,F9,UA,WN |
| Jun 2024 | 534 | 160 | 3 | 0 | AA,F9,UA,WN |
| May 2024 | 584 | 206 | 7 | 6 | AA,F9,UA,WN |
| Apr 2024 | 556 | 128 | 4 | 1 | AA,F9,UA,WN |
| Mar 2024 | 530 | 69 | 8 | 1 | AA,UA,WN |
| Feb 2024 | 449 | 49 | 3 | 1 | AA,UA,WN |
| Jan 2024 | 483 | 118 | 51 | 0 | AA,WN,UA |
Cancellation Rate
1.2%
157 of 12,756 flights
Diversion Rate
0.2%
31 of 12,756 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See ORD and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–DEN.
Routes with a similar on-time rate
What the Data Says About ORD to DEN
35,971 tracked flights put the ORD to DEN pairing (Chicago to Denver) at a 79.3% on-time rate, squarely in line with the wider network. Delays that do occur run 71.6 minutes on average. Across the 888-mile route and its 27 carriers, the trailing 24 months show 1.2% cancelled and 0.2% diverted (12,756 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 89% on-time, while May 2024 came in at just 65% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to DEN? ▼
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Flight Guides
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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.