Route · JMS → DEN · 2020–2025 BTS data
Jamestown to Denver
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), JMS to DEN (Jamestown to Denver) ranks #4416 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 124 min
- Delay when late
- 1,113
- Flights
- #4416 of 4927
- Corpus placement
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 |
JMS–DEN seasonal on-time pattern
Best: April (92.2%) · weakest: December (76.9%)
Strongest calendar month
April
92.2% on-time · ~30 flights/mo
Busiest calendar month
November
~40 flights/mo avg
Weakest calendar month
December
76.9% on-time · ~39 flights/mo
Cancellation Rate
4.6%
40 of 868 flights
Diversion Rate
0.3%
3 of 868 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
JMS - Jamestown
Full on-time, delay-cause, and seasonal performance for Jamestown, ND.
JMS on-time profileDEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCompare the two airports
See JMS and DEN side by side on delays, cancellations, and reliability.
Compare JMS vs DENOrigin-hub reliability standing
Mid-pack among JMS departures
From JMS, this corridor sits with 1 other 75–85% on-time routes out of 2 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 0 below 75%). Destination: Denver · fleet on-time rank #1434 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to JMS–DEN.
Routes with a similar on-time rate
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.
On the multi-year calendar, JMS–DEN peaks in April at 92.2% on-time while November carries the heaviest traffic (~40 flights per month) ; the softest month is December at 76.9%, a 15.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does JMS to DEN rank among US routes by traffic? ▼
How often are flights delayed from JMS to DEN? ▼
What is the cancellation rate for JMS to DEN? ▼
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Airports on this route
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 JMS–DEN data
JMS–DEN runs 5.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare JMS and DEN airport profiles: delay causes and top routes differ even on the same corridor. JMS airport
- If your dates flex, April (92.2% on-time) beats December (76.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.4% 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.
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.