Best Time to Fly CYS to DEN: On-Time Stats by Hour & Airline
Cheyenne Regional/Jerry Olson Field → Denver International
Data through July 2026 · Last updated October 18, 2026
730 flights were scheduled from Cheyenne (CYS) to Denver (DEN) in the last 12 months, and 84.9% of those that flew arrived on time, 7.2 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (87% on time) and February the worst month (71%).
The cancellation rate was 1.1% (US average 1.8%).
CYS to DEN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 84.9% | 92 min | 1.1% | 730 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CYS to DEN
On-time arrival % by scheduled departure hour (local time), 1,444 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 90.3% | 0.0% | 72 |
| 6am–7am | 82.1% | 1.1% | 656 |
| 9am–10am | Limited data | 2 | |
| 11am–12pm | Limited data | 2 | |
| 1pm–2pm | 78.6% | 2.1% | 431 |
| 2pm–3pm | 86.2% | 0.7% | 271 |
| 3pm–4pm | Limited data | 10 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CYS to DEN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 27 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 91.4% | +9.1 pts | 0.0% | 58 |
| Summer peak (Jun 15 - Aug 15) | 78.8% | -3.5 pts | 1.9% | 256 |
| All other days | 82.3% | — | 1.2% | 1,103 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).