BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
JMS→DEN

Jamestown, ND (JMS) to Denver, CO (DEN) flight delay odds

76.2% of 626 official scheduled JMS-to-DEN flights arrived on time; 16.5% arrived at least 30 minutes late and 2.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
76.2%arrived on time
16.5%30+ min late
2.2%cancelled
626scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.2%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+13.8 mincompleted flights

Which departure time was most reliable for JMS to DEN?

Among qualifying JMS-to-DEN departure window results, Late morning had the highest on-time rate: 87.5% of 264 flights. Evening was lowest at 68.0% across 362 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning26487.5%8.0%1.9%
Evening36268.0%22.7%2.5%

Which weekday was most reliable for JMS to DEN?

Among qualifying JMS-to-DEN weekday results, Sunday had the highest on-time rate: 86.5% of 104 flights. Saturday was lowest at 60.0% across 55 flights.

DayFlightsOn time30+ minCancelled
Monday10474.0%19.2%1.9%
Tuesday5669.6%25.0%0.0%
Wednesday10281.4%12.7%2.0%
Thursday10173.3%16.8%3.0%
Friday10477.9%17.3%2.9%
Saturday5560.0%23.6%3.6%
Sunday10486.5%7.7%1.9%

Which airline was most reliable for JMS to DEN?

Only SkyWest Airlines met the JMS-to-DEN airline threshold: 76.2% of 626 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines62676.2%16.5%2.2%

Which month was most reliable for JMS to DEN?

Among qualifying JMS-to-DEN month results, November 2025 had the highest on-time rate: 96.0% of 50 flights. July 2025 was lowest at 64.2% across 53 flights.

MonthFlightsOn time30+ minCancelled
July 20255364.2%28.3%1.9%
August 20255366.0%30.2%1.9%
September 20255182.4%17.6%0.0%
October 20255475.9%16.7%0.0%
November 20255096.0%2.0%0.0%
December 20255565.5%20.0%7.3%
January 20265371.7%11.3%5.7%
February 20264877.1%10.4%4.2%
March 20265383.0%11.3%1.9%
April 20265278.8%11.5%3.8%
May 20265379.2%15.1%0.0%
June 20265176.5%21.6%0.0%

What drove JMS to DEN delay minutes?

National airspace was the largest recorded JMS-to-DEN delay category, accounting for 30.1% of 13,509 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.9%
Late aircraft29.2%
National airspace30.1%
Weather15.5%
Security0.4%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.