Best Time to Fly GJT to DEN: On-Time Stats by Hour & Airline
Grand Junction Regional → Denver International
Data through July 2026 · Last updated October 18, 2026
2,256 flights were scheduled from Grand Junction (GJT) to Denver (DEN) in the last 12 months, and 78.4% of those that flew arrived on time, 0.8 points above the US average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 83.8%, while SkyWest Airlines trailed at 75.8%.
October has been the best month (86% on time) and Monday the weakest day of the week (76%).
1.2% of flights were cancelled, versus 1.8% nationally.
GJT 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 |
|---|---|---|---|---|
| United Airlines | 83.8% | 68 min | 0.4% | 732 |
| SkyWest Airlines | 75.8% | 79 min | 1.6% | 1,524 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GJT to DEN
On-time arrival % by scheduled departure hour (local time), 4,384 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 85.2% | 0.5% | 630 |
| 7am–8am | 84.5% | 0.4% | 730 |
| 9am–10am | 90.2% | 1.1% | 93 |
| 10am–11am | Limited data | 19 | |
| 11am–12pm | 81.3% | 1.1% | 729 |
| 1pm–2pm | 82.0% | 0.3% | 727 |
| 3pm–4pm | 63.3% | 1.5% | 727 |
| 5pm–6pm | 66.2% | 3.8% | 160 |
| 6pm–7pm | 68.7% | 2.6% | 565 |
| 9pm–10pm | Limited data | 4 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on GJT 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) | 71.2% | -7.4 pts | 0.0% | 80 |
| Christmas & New Year (Dec 20 - Jan 3) | 84.4% | +5.8 pts | 0.6% | 180 |
| Summer peak (Jun 15 - Aug 15) | 72.4% | -6.2 pts | 1.2% | 764 |
| All other days | 78.6% | — | 1.2% | 3,360 |
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).