Grand Junction (GJT) to Denver (DEN): On-Time Performance
Data through July 2026
The calendar drives reliability on GJT–DEN. October 2024 flights landed on schedule 93% of the time, but June 2025 dropped to 58% — a gap of 35 points. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 69%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 6.2
- last 12 months
- Duration
- 1h 20m
- scheduled
- Distance
- 212 mi
Best airline from GJT to DEN
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 83% | 14 min | 0.4% | 1,525 |
| SkyWest Airlines | 75% | 23 min | 1.5% | 3,012 |
Monthly on-time trend
Best time to fly from GJT to DEN
Aim for departures around 9 a.m. (90% on-time); avoid 3 p.m. departures (63%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 21 min |
| Tuesday | 78% | 19 min |
| Wednesdaybest | 79% | 22 min |
| Thursday | 78% | 21 min |
| Friday | 79% | 21 min |
| Saturday | 77% | 20 min |
| Sunday | 78% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft29%
- Airline operations37%
- National airspace system25%
- Weather9%
Frequently asked questions
- How often are flights from GJT to DEN delayed?
- 22% of GJT–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 20 minutes.
- Which airline is most reliable from GJT to DEN?
- United Airlines has the best on-time record on this route at 83%, based on 1,525 flights. 2 airlines flew GJT–DEN frequently enough to compare in this period.
- What is the best time of day to fly from GJT to DEN?
- Departures around 9 a.m. have the best record (90% on-time), while departures around 3 p.m. have the worst (63%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from GJT to DEN?
- The scheduled GJT–DEN flight time averages 1h 20m over 212 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are GJT to DEN flights cancelled?
- 1.1% 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 GJT to DEN?
- June 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was October 2024 at 93%. If your dates are flexible, that 35-point gap is worth planning around.
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Based on 4,537 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.