Route · COS → DEN · 2020–2025 BTS data
Colorado Springs to Denver
The COS–DEN corridor (Colorado Springs, CO → Denver, CO) runs ahead of the national average, served by 11 carriers across roughly 73 miles.
Data updated 2026-06-13
- 80.3%
- On-time
- +1.3 pts
- vs US avg
- 76 min
- Delay when late
- 22,924
- Flights
Cancelled
1.6%
Best Month
Dec 2024 92%
Worst Month
Apr 2025 63%
Distance
73 mi
Carriers
11
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 441 | 96 | 5 | 0 | WN,UA,OO |
| Nov 2025 | 426 | 54 | 35 | 0 | OO,UA,WN |
| Oct 2025 | 450 | 92 | 0 | 0 | OO,UA,WN |
| Sep 2025 | 443 | 86 | 1 | 0 | UA,WN,OO |
| Aug 2025 | 466 | 152 | 2 | 0 | OO,WN,UA |
| Jul 2025 | 466 | 167 | 13 | 1 | OO,UA,WN |
| Jun 2025 | 456 | 167 | 9 | 0 | OO,UA,WN |
| May 2025 | 456 | 158 | 7 | 0 | OO,UA,WN |
| Apr 2025 | 430 | 159 | 4 | 0 | OO,UA,WN |
| Mar 2025 | 438 | 61 | 5 | 0 | OO,UA,WN |
| Feb 2025 | 396 | 89 | 6 | 1 | OO,UA,WN |
| Jan 2025 | 436 | 118 | 2 | 0 | OO,UA,WN |
| Dec 2024 | 424 | 36 | 1 | 0 | OO,UA,WN |
| Nov 2024 | 408 | 60 | 19 | 0 | OO,UA,WN |
| Oct 2024 | 464 | 61 | 0 | 0 | UA,OO,WN |
| Sep 2024 | 429 | 58 | 0 | 0 | WN,OO,UA |
| Aug 2024 | 432 | 93 | 4 | 0 | WN,OO,UA |
| Jul 2024 | 435 | 66 | 4 | 0 | OO,UA,WN |
| Jun 2024 | 454 | 96 | 8 | 1 | OO,UA,WN |
| May 2024 | 447 | 84 | 2 | 0 | OO,UA,WN |
| Apr 2024 | 414 | 61 | 3 | 0 | OO,UA,WN |
| Mar 2024 | 391 | 59 | 14 | 1 | OO,UA,WN |
| Feb 2024 | 344 | 65 | 10 | 2 | OO,UA,WN |
| Jan 2024 | 364 | 63 | 7 | 0 | WN,OO,UA |
Cancellation Rate
1.6%
161 of 10,310 flights
Diversion Rate
0.1%
6 of 10,310 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 →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See COS 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 COS–DEN.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About COS to DEN
22,924 tracked flights put the COS to DEN pairing (Colorado Springs to Denver) at a 80.3% on-time rate, squarely in line with the wider network. Delays that do occur run 75.5 minutes on average. Across the 73-mile route and its 11 carriers, the trailing 24 months show 1.6% cancelled and 0.1% diverted (10,310 flights sampled).
The monthly split is wide on this route: Dec 2024 posted the strongest performance at 92% on-time, while Apr 2025 came in at just 63% - a 29-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.