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Route · DEN → JMS · 2020–2025 BTS data

Denver to Jamestown

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to JMS (Denver to Jamestown) ranks #3461 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.5%
On-time
+7.5 pts
vs US avg
83 min
Delay when late
2,661
Flights
#3461 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Oct 2025 89%

Worst Month

Dec 2025 78%

Distance

573 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 55 12 2 2 OO
Nov 2025 50 2 0 0 OO
Oct 2025 54 6 0 1 OO
Sep 2025 51 7 0 0 OO
Aug 2025 53 9 0 1 OO
Jul 2025 53 8 0 0 OO
Jun 2025 34 6 0 1 OO
May 2025 31 4 0 0 OO
Apr 2025 30 7 0 0 OO
Mar 2025 31 5 0 0 OO
Jan 2025 31 9 0 0 OO
Dec 2024 31 3 0 2 OO
Oct 2024 31 2 0 0 OO
Sep 2024 30 2 0 0 OO
Aug 2024 31 4 0 0 OO
Jul 2024 31 4 0 0 OO
Apr 2024 30 2 0 0 OO
Mar 2024 31 2 1 0 OO
Jan 2024 31 3 3 0 OO
Dec 2023 30 4 1 0 OO
Oct 2023 31 4 0 1 OO
Sep 2023 30 3 0 0 OO
Aug 2023 31 5 0 0 OO
Jul 2023 31 8 0 0 OO

DEN–JMS seasonal on-time pattern

Best: November (95.0%) · weakest: February (76.5%)

75%80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 86.1%

Strongest calendar month

November

95.0% on-time · ~53 flights/mo

Busiest calendar month

November

~53 flights/mo avg

Weakest calendar month

February

76.5% on-time · ~51 flights/mo

Cancellation Rate

0.8%

7 of 872 flights

Diversion Rate

0.9%

8 of 872 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

DEN - Denver

Full on-time, delay-cause, and seasonal performance for Denver, CO.

DEN on-time profile

JMS - Jamestown

Full on-time, delay-cause, and seasonal performance for Jamestown, ND.

JMS on-time profile

Compare the two airports

See DEN and JMS side by side on delays, cancellations, and reliability.

Compare DEN vs JMS

Origin-hub reliability standing

Among DEN's stronger departures

DEN → JMS posts a 86.5% on-time rate, landing in the ≥85% band with 8 of 168 BTS-tracked routes leaving Denver. The same hub also shows 133 mid-band and 27 challenged departures · fleet-wide on-time rank #761 of 4927 (highest on-time = #1).

What the Data Says About DEN to JMS

Denver to Jamestown (DEN to JMS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.5% on-time rate across 2,661 flights, with delays that do happen averaging 83.2 minutes. The corridor runs roughly 573 miles and is served by 1 carrier. Over the most recent 24 months, 7 of 872 flights were cancelled (0.8%) and 8 diverted (0.9%).

Monthly performance varies moderately here: Oct 2025 was the strongest month at 89% on-time versus Dec 2025 at 78%, a 11-point difference.

On the multi-year calendar, DEN–JMS peaks in November at 95.0% on-time ; the softest month is February at 76.5%, a 18.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to JMS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DEN to JMS ranks #3461 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from DEN to JMS? ▼
Flights from Denver to Jamestown have a 86.5% on-time rate based on 2,661 flights. The average delay is 83.2 minutes. The best recent month was Oct 2025 with 89% on-time.
What is the cancellation rate for DEN to JMS? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (7 of 872 flights) and 0.9% were diverted.
How far is the flight from DEN to JMS? ▼
The flight distance from Denver (DEN) to Jamestown (JMS) is approximately 573 miles. This route is served by 1 carrier.
When is the best time to fly from DEN to JMS? ▼
The best recent month for on-time performance was Oct 2025 (89% on-time). The worst was Dec 2025 (78% on-time). Consider booking during months with historically better performance.

Airports on this route

DEN Airport

Denver
JMS Airport

Jamestown
Data source

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

Read our methodology - how this data is sourced, computed, and verified.

Using DEN–JMS data

DEN–JMS runs 7.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare DEN and JMS airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, November (95.0% on-time) beats February (76.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

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

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.