DEN to JMS flight delays & on-time performance
Nonstop flights from Denver International Airport to Jamestown Regional Airport · 573 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or JMS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Denver (DEN) to Jamestown (JMS) arrived on time 86% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.3% were cancelled, and 5% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (94% on time); around 2pm did worst (82%).
- Wednesday was the most reliable day to fly (96% on time) and Saturday the least (79%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (55%).
Which airline is most on time from DEN to JMS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 86% | 1.3% | 10 min | 4.6% | 627 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am94%197 flights
- 8am85%68 flights
- 1pm83%37 flights
- 2pm82%325 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday86%1.0% cancelled
- Tuesday85%0.0% cancelled
- Wednesday96%2.9% cancelled
- Thursday88%2.0% cancelled
- Friday80%0.9% cancelled
- Saturday79%0.0% cancelled
- Sunday85%1.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)55%
- Late-arriving aircraft26%
- Air traffic control & airport congestion11%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
DEN to JMS: common questions
- How often are DEN to JMS flights on time?
- 86% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Denver to Jamestown cancelled?
- 1.3% of scheduled flights were cancelled (8 of 627).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 66 min behind schedule on average, and 4.6% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: JMS to DEN — 78% on time
More flights from Denver
More flights to Jamestown
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → JMS, nonstop flights by US airlines that report to the DOT. How we calculate this.