Denver (DEN) to Jackson (JAC): On-Time Performance
Data through May 2026
When you fly DEN to JAC matters as much as anything else about the booking: the route swung from 96% on-time in October 2024 to just 67% in July 2025. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 73%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 4.5
- last 12 months
- Duration
- 1h 36m
- scheduled
- Distance
- 406 mi
Best airline from DEN to JAC
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 88% | 6 min | 1.3% | 1,138 |
| United Airlines | 77% | 17 min | 0.6% | 2,104 |
Monthly on-time trend
Best time to fly from DEN to JAC
Aim for departures around 8 a.m. (89% on-time); avoid 4 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 10 min |
| Tuesdaybest | 83% | 11 min |
| Wednesday | 80% | 11 min |
| Thursday | 81% | 16 min |
| Friday | 79% | 15 min |
| Saturday | 82% | 10 min |
| Sunday | 80% | 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 operations33%
- National airspace system12%
- Weather16%
Frequently asked questions
- How often are flights from DEN to JAC delayed?
- 19% of DEN–JAC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from DEN to JAC?
- SkyWest Airlines has the best on-time record on this route at 88%, based on 1,138 flights. 2 airlines flew DEN–JAC frequently enough to compare in this period.
- What is the best time of day to fly from DEN to JAC?
- Departures around 8 a.m. have the best record (89% on-time), while departures around 4 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to JAC?
- The scheduled DEN–JAC flight time averages 1h 36m over 406 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are DEN to JAC flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to JAC?
- July 2025 was the roughest month in this dataset, with only 67% of arrivals on time. The best was October 2024 at 96%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 3,242 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.