Best Time to Fly DEN to JMS: On-Time Stats by Hour & Airline
Denver International → Jamestown Regional
Data through July 2026 · Last updated October 18, 2026
627 flights were scheduled from Denver (DEN) to Jamestown (JMS) in the last 12 months, and 86.1% of those that flew arrived on time, 8.4 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 (95% on time) and Saturday the weakest day of the week (81%).
1.3% of flights were cancelled, versus 1.8% nationally.
DEN to JMS 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 | 86.1% | 66 min | 1.3% | 627 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to JMS
On-time arrival % by scheduled departure hour (local time), 1,017 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 93.7% | 1.0% | 197 |
| 8am–9am | 87.0% | 1.1% | 94 |
| 1pm–2pm | 84.4% | 0.8% | 365 |
| 2pm–3pm | 81.9% | 1.1% | 361 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to JMS
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 | 17 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 84.6% | -1.1 pts | 2.4% | 42 |
| Summer peak (Jun 15 - Aug 15) | 84.9% | -0.8 pts | 0.0% | 195 |
| All other days | 85.7% | — | 1.2% | 763 |
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).