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Route · JMS → DEN · 2020–2025 BTS data

Jamestown to Denver

The JMS–DEN corridor (Jamestown, ND → Denver, CO) runs ahead of the national average, served by 1 carrier across roughly 573 miles.

Data updated 2026-06-13

84.4%
On-time
+5.4 pts
vs US avg
124 min
Delay when late
1,113
Flights

Cancelled

4.6%

Best Month

Sep 2025 82%

Worst Month

Jul 2025 66%

Distance

573 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 55 15 4 0 OO
Nov 2025 50 2 0 0 OO
Oct 2025 54 12 0 1 OO
Sep 2025 51 9 0 0 OO
Aug 2025 53 17 1 0 OO
Jul 2025 53 18 1 0 OO
Jun 2025 30 4 1 0 OO
Nov 2022 30 8 4 0 OO
Aug 2022 31 1 0 0 OO
Jul 2022 31 4 0 0 OO
Apr 2022 30 2 5 0 OO
Mar 2022 31 4 2 0 OO
Jan 2022 31 7 8 0 OO
Dec 2021 31 7 4 0 OO
Oct 2021 31 3 1 0 OO
Sep 2021 30 5 0 0 OO
Aug 2021 31 4 0 0 OO
Jul 2021 31 4 1 0 OO
Jun 2021 30 3 1 0 OO
May 2021 31 2 0 0 OO
Apr 2021 30 2 0 2 OO
Mar 2021 31 7 3 0 OO
Jan 2021 31 7 3 0 OO
Dec 2020 31 5 1 0 OO

Cancellation Rate

4.6%

40 of 868 flights

Diversion Rate

0.3%

3 of 868 flights

What the Data Says About JMS to DEN

Bureau of Transportation Statistics records show Jamestown to Denver (JMS to DEN) running a 84.4% on-time rate over 1,113 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 123.6 minutes. The 573-mile corridor is served by 1 carrier, and over the last 24 months 4.6% of 868 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 82% on-time, while Jul 2025 came in at just 66% - a 16-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from JMS to DEN?
Flights from Jamestown to Denver have a 84.4% on-time rate based on 1,113 flights. The average delay is 123.6 minutes. The best recent month was Sep 2025 with 82% on-time.
What is the cancellation rate for JMS to DEN?
Over the last 24 months, 4.6% of flights on this route were cancelled (40 of 868 flights) and 0.3% were diverted.
How far is the flight from JMS to DEN?
The flight distance from Jamestown (JMS) to Denver (DEN) is approximately 573 miles. This route is served by 1 carrier.
When is the best time to fly from JMS to DEN?
The best recent month for on-time performance was Sep 2025 (82% on-time). The worst was Jul 2025 (66% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.