Jackson (JAC) to Denver (DEN): On-Time Performance
Data through July 2026
The calendar drives reliability on JAC–DEN. October 2024 flights landed on schedule 94% of the time, but July 2025 dropped to 51% — a gap of 43 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 75%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 4.5
- last 12 months
- Duration
- 1h 45m
- scheduled
- Distance
- 406 mi
Best airline from JAC to DEN
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 84% | 15 min | 1.6% | 1,135 |
| United Airlines | 74% | 25 min | 0.8% | 2,282 |
Monthly on-time trend
Best time to fly from JAC to DEN
Aim for departures around 10 a.m. (90% on-time); avoid 4 p.m. departures (68%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 19 min |
| Tuesday | 79% | 20 min |
| Wednesday | 77% | 23 min |
| Thursday | 77% | 24 min |
| Friday | 76% | 26 min |
| Saturdaybest | 79% | 16 min |
| Sunday | 76% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft30%
- Airline operations18%
- National airspace system38%
- Weather13%
Frequently asked questions
- How often are flights from JAC to DEN delayed?
- 23% of JAC–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 21 minutes.
- Which airline is most reliable from JAC to DEN?
- SkyWest Airlines has the best on-time record on this route at 84%, based on 1,135 flights. 2 airlines flew JAC–DEN frequently enough to compare in this period.
- What is the best time of day to fly from JAC to DEN?
- Departures around 10 a.m. have the best record (90% on-time), while departures around 4 p.m. have the worst (68%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JAC to DEN?
- The scheduled JAC–DEN flight time averages 1h 45m over 406 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are JAC 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 JAC to DEN?
- July 2025 was the roughest month in this dataset, with only 51% of arrivals on time. The best was October 2024 at 94%. If your dates are flexible, that 43-point gap is worth planning around.
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Based on 3,417 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.