Route · CYS → DEN · 2020–2025 BTS data
Cheyenne to Denver
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CYS to DEN (Cheyenne to Denver) ranks #3484 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 85.8%
- On-time
- +6.8 pts
- vs US avg
- 134 min
- Delay when late
- 2,593
- Flights
- #3484 of 4927
- Corpus placement
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 |
CYS–DEN seasonal on-time pattern
Best: December (90.6%) · weakest: July (77.6%)
Strongest calendar month
December
90.6% on-time · ~53 flights/mo
Busiest calendar month
July
~64 flights/mo avg
Weakest calendar month
July
77.6% on-time · ~64 flights/mo
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.
CYS on-time profileDEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCompare the two airports
See CYS and DEN side by side on delays, cancellations, and reliability.
Compare CYS vs DENSimilar routes
Other BTS-tracked routes with comparable performance or trip length to CYS–DEN.
Routes with a similar on-time rate
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.
On the multi-year calendar, CYS–DEN peaks in December at 90.6% on-time while July carries the heaviest traffic (~64 flights per month) ; the softest month is July at 77.6%, a 13.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CYS to DEN rank among US routes by traffic? ▼
How often are flights delayed from CYS to DEN? ▼
What is the cancellation rate for CYS to DEN? ▼
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Airports on this route
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.
Using CYS–DEN data
CYS–DEN runs 6.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare CYS and DEN airport profiles: delay causes and top routes differ even on the same corridor. CYS airport
- If your dates flex, December (90.6% on-time) beats July (77.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 85.8% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.