Route · COS → ORD · 2020–2025 BTS data
Colorado Springs to Chicago
The COS–ORD corridor (Colorado Springs, CO → Chicago, IL) runs ahead of the national average, served by 11 carriers across roughly 911 miles.
Data updated 2026-06-13
- 85.8%
- On-time
- +6.8 pts
- vs US avg
- 106 min
- Delay when late
- 4,213
- Flights
Cancelled
0.7%
Best Month
Sep 2024 100%
Worst Month
Jul 2025 68%
Distance
911 mi
Carriers
11
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 25 | 0 | 0 | OO |
| Nov 2025 | 88 | 18 | 3 | 0 | OO |
| Oct 2025 | 93 | 18 | 0 | 0 | OO,UA |
| Sep 2025 | 90 | 18 | 1 | 1 | UA,OO |
| Aug 2025 | 93 | 19 | 1 | 3 | OO,UA |
| Jul 2025 | 93 | 30 | 1 | 2 | OO,UA |
| Jun 2025 | 86 | 18 | 0 | 0 | OO,UA |
| May 2025 | 62 | 6 | 0 | 0 | OO,UA |
| Apr 2025 | 60 | 6 | 1 | 0 | OO |
| Mar 2025 | 33 | 2 | 0 | 0 | OO |
| Jan 2025 | 37 | 4 | 0 | 0 | OO |
| Dec 2024 | 59 | 8 | 0 | 0 | OO |
| Nov 2024 | 59 | 8 | 0 | 0 | OO |
| Oct 2024 | 62 | 7 | 0 | 0 | UA,OO |
| Sep 2024 | 60 | 0 | 0 | 0 | OO,UA |
| Aug 2024 | 62 | 5 | 1 | 0 | OO,UA |
| Jul 2024 | 62 | 5 | 0 | 0 | OO,UA |
| Jun 2024 | 60 | 6 | 0 | 1 | OO |
| May 2024 | 40 | 7 | 1 | 1 | OO,UA |
| Apr 2024 | 30 | 4 | 0 | 0 | OO |
| Mar 2024 | 31 | 1 | 1 | 0 | OO,UA |
| Jan 2024 | 40 | 6 | 1 | 0 | OO,UA |
| Dec 2023 | 61 | 11 | 0 | 0 | OO |
| Nov 2023 | 59 | 4 | 0 | 0 | OO,UA |
Cancellation Rate
0.7%
11 of 1,510 flights
Diversion Rate
0.5%
8 of 1,510 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
COS - Colorado Springs
Full on-time, delay-cause, and seasonal performance for Colorado Springs, CO.
Origin airport →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See COS and ORD side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to COS–ORD.
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What the Data Says About COS to ORD
Colorado Springs to Chicago (COS to ORD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.8% on-time rate across 4,213 flights, with delays that do happen averaging 105.5 minutes. The corridor runs roughly 911 miles and is served by 11 carriers. Over the most recent 24 months, 11 of 1,510 flights were cancelled (0.7%) and 8 diverted (0.5%).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 100% on-time, while Jul 2025 came in at just 68% - a 32-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.