Route · CYS → DEN · 2020–2025 BTS data
Cheyenne to Denver
The CYS–DEN corridor (Cheyenne, WY → Denver, CO) runs ahead of the national average, served by 1 carrier across roughly 90 miles.
Data updated 2026-06-13
- 85.8%
- On-time
- +6.8 pts
- vs US avg
- 134 min
- Delay when late
- 2,593
- Flights
Cancelled
1.6%
Best Month
Dec 2024 97%
Worst Month
Feb 2025 61%
Distance
90 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 63 | 13 | 0 | 0 | OO |
| Nov 2025 | 59 | 3 | 0 | 0 | OO |
| Oct 2025 | 62 | 13 | 0 | 0 | OO |
| Sep 2025 | 60 | 3 | 0 | 0 | OO |
| Aug 2025 | 62 | 12 | 1 | 1 | OO |
| Jul 2025 | 72 | 25 | 2 | 0 | OO |
| Jun 2025 | 60 | 17 | 1 | 0 | OO |
| May 2025 | 62 | 16 | 1 | 0 | OO |
| Apr 2025 | 60 | 13 | 1 | 0 | OO |
| Mar 2025 | 62 | 6 | 1 | 0 | OO |
| Feb 2025 | 56 | 22 | 1 | 0 | OO |
| Jan 2025 | 58 | 18 | 0 | 0 | OO |
| Dec 2024 | 58 | 2 | 0 | 0 | OO |
| Nov 2024 | 55 | 8 | 2 | 0 | OO |
| Oct 2024 | 58 | 6 | 0 | 0 | OO |
| Sep 2024 | 56 | 7 | 0 | 0 | OO |
| Aug 2024 | 57 | 7 | 1 | 0 | OO |
| Jul 2024 | 58 | 5 | 0 | 0 | OO |
| Jun 2024 | 55 | 5 | 1 | 0 | OO |
| May 2024 | 58 | 7 | 0 | 0 | OO |
| Apr 2024 | 56 | 8 | 1 | 0 | OO |
| Mar 2024 | 57 | 4 | 3 | 0 | OO |
| Feb 2024 | 54 | 6 | 2 | 0 | OO |
| Jan 2024 | 57 | 3 | 4 | 0 | OO |
Cancellation Rate
1.6%
22 of 1,415 flights
Diversion Rate
0.1%
1 of 1,415 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CYS - Cheyenne
Full on-time, delay-cause, and seasonal performance for Cheyenne, WY.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See CYS 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 CYS–DEN.
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What the Data Says About CYS to DEN
Cheyenne to Denver (CYS to DEN) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.8% on-time rate across 2,593 flights, with delays that do happen averaging 133.6 minutes. The corridor runs roughly 90 miles and is served by 1 carrier. Over the most recent 24 months, 22 of 1,415 flights were cancelled (1.6%) and 1 diverted (0.1%).
The monthly split is wide on this route: Dec 2024 posted the strongest performance at 97% on-time, while Feb 2025 came in at just 61% - a 36-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.