Cheyenne (CYS) to Denver (DEN): On-Time Performance
Data through July 2026
When you fly CYS to DEN matters as much as anything else about the booking: the route swung from 97% on-time in December 2024 to just 60% in February 2025. Across the full period the route averages 82% on-time against a national 78%.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 2.0
- last 12 months
- Duration
- 55m
- scheduled
- Distance
- 90 mi
Monthly on-time trend
Best time to fly from CYS to DEN
Aim for departures around 5 a.m. (90% on-time); avoid 1 p.m. departures (78%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 13 min |
| Tuesdaybest | 88% | 15 min |
| Wednesday | 79% | 24 min |
| Thursday | 81% | 23 min |
| Friday | 79% | 24 min |
| Saturday | 81% | 18 min |
| Sunday | 86% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations34%
- National airspace system16%
- Weather12%
Frequently asked questions
- How often are flights from CYS to DEN delayed?
- 18% of CYS–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- What is the best time of day to fly from CYS to DEN?
- Departures around 5 a.m. have the best record (90% on-time), while departures around 1 p.m. have the worst (78%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CYS to DEN?
- The scheduled CYS–DEN flight time averages 55m over 90 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are CYS to DEN flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from CYS to DEN?
- February 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was December 2024 at 97%. If your dates are flexible, that 37-point gap is worth planning around.
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Based on 1,502 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.