FlightRecord

Jamestown Regional Airport (JMS): Delays & On-Time Performance

Data through July 2026

Jamestown Regional Airport (JMS) runs noticeably smoother than most US airports: 84% of its ~2 daily departures leave on time, 6 points above the national average, with an average departure delay of just 19 minutes. 1 airlines fly from Jamestown, ND to 2 destinations.

Departures on-time
84%
left <15 min late
Avg dep delay
19 min
Arrivals on-time
84%
Cancelled
2.2%
Destinations
2
nonstop
Airlines
1

Plan your departure from JMS

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 11 a.m.
90% on-time
Best day to fly
Wednesday
86% on-time
Nearest alternative
DVL — Devils Lake
83 miles away
Cancellation risk
2.2%
above the US average

Monthly on-time trend

Monthly departure on-time percentage at JMS50%75%100%August 2024: 91% on-time (58 flights)91Aug 2024September 2024: 88% on-time (56 flights)88October 2024: 91% on-time (57 flights)91November 2024: 75% on-time (56 flights)75Nov 2024December 2024: 82% on-time (57 flights)82January 2025: 80% on-time (58 flights)80February 2025: 79% on-time (52 flights)79Feb 2025March 2025: 83% on-time (58 flights)83April 2025: 84% on-time (55 flights)84May 2025: 93% on-time (58 flights)93May 2025June 2025: 87% on-time (55 flights)87July 2025: 71% on-time (53 flights)71August 2025: 71% on-time (53 flights)71Aug 2025September 2025: 84% on-time (51 flights)84October 2025: 87% on-time (54 flights)87November 2025: 96% on-time (50 flights)96Nov 2025December 2025: 78% on-time (55 flights)78January 2026: 84% on-time (53 flights)84February 2026: 83% on-time (48 flights)83Feb 2026March 2026: 87% on-time (53 flights)87April 2026: 86% on-time (52 flights)86May 2026: 83% on-time (53 flights)83May 2026June 2026: 80% on-time (51 flights)80July 2026: 85% on-time (54 flights)85

Best time of day to depart from JMS

On-time percentage by scheduled departure hour at JMS11 a.m.: 90% on-time (291 flights)111 p.m.: 85% on-time (279 flights)135 p.m.: 86% on-time (277 flights)176 p.m.: 78% on-time (398 flights)18scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday77%25 min
Tuesday74%19 min
Wednesdaybest86%22 min
Thursday81%19 min
Friday80%18 min
Saturday77%31 min
Sunday83%16 min

Next: compare the busiest routes from JMS ↓

Busiest routes from JMS

RouteFlights/12moOn-timeAvg delay
JMS → DEN (Denver)62779%21 min

Where flights into JMS come from

RouteFlights/12moOn-timeAvg delay
DEN (Denver) → JMS62785%10 min

What causes delays at JMS

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing JMS.

  • Late-arriving aircraft35%
  • Airline operations35%
  • National airspace system20%
  • Weather10%

Alternative airports near Jamestown

Other airports within 120 miles, compared on departure reliability.

Compare the airport-level record first, then check the exact route you plan to book.

Frequently asked questions

How often are flights delayed at JMS?
16% of departures from Jamestown Regional Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 19 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from JMS?
Flights scheduled around 11 a.m. depart on time 90% of the time at JMS, versus 78% around 6 p.m.. Booking before noon is the usual rule of thumb here.
How often are flights cancelled at JMS?
2.2% of scheduled departures from JMS were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 1,357 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.