Best Time to Fly JMS to DEN: On-Time Stats by Hour & Airline
Jamestown Regional → Denver International
Data through July 2026 · Last updated October 18, 2026
627 flights were scheduled from Jamestown (JMS) to Denver (DEN) in the last 12 months, and 78.1% of those that flew arrived on time, 0.5 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Sunday was the most reliable day (85% on time) and July the worst month (66%).
The cancellation rate was 2.1% (US average 1.8%).
JMS 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 |
|---|---|---|---|---|
| SkyWest Airlines | 78.1% | 98 min | 2.1% | 627 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JMS to DEN
On-time arrival % by scheduled departure hour (local time), 972 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 11am–12pm | 89.5% | 1.7% | 291 |
| 12pm–1pm | Limited data | 30 | |
| 1pm–2pm | 83.2% | 2.8% | 253 |
| 6pm–7pm | 68.3% | 2.3% | 398 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JMS 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) | Limited data | 18 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 75.7% | -5.6 pts | 7.5% | 40 |
| Summer peak (Jun 15 - Aug 15) | 71.3% | -10.0 pts | 1.6% | 191 |
| All other days | 81.2% | — | 2.2% | 723 |
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).