Best Time to Fly GUC to DEN: On-Time Stats by Hour & Airline
Gunnison-Crested Butte Regional → Denver International
Data through July 2026 · Last updated October 18, 2026
994 flights were scheduled from Gunnison (GUC) to Denver (DEN) in the last 12 months, and 82.9% of those that flew arrived on time, 5.3 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
November has been the best month (89% on time) and Saturday the weakest day of the week (77%).
0.8% of flights were cancelled, versus 1.8% nationally.
GUC 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 | 82.9% | 83 min | 0.8% | 994 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GUC to DEN
On-time arrival % by scheduled departure hour (local time), 1,909 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 82.4% | 1.0% | 730 |
| 10am–11am | Limited data | 4 | |
| 1pm–2pm | 87.2% | 0.8% | 728 |
| 3pm–4pm | 67.6% | 0.2% | 444 |
| 6pm–7pm | Limited data | 3 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on GUC 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 | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 87.6% | +4.2 pts | 0.0% | 89 |
| Summer peak (Jun 15 - Aug 15) | 69.3% | -14.2 pts | 0.3% | 358 |
| All other days | 83.5% | — | 0.8% | 1,436 |
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).