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Route Reliability

Denver → JMS

DEN–JMS · 573 miles · Denver International Airport to JMS Airport

82
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
1 min early
Average arrival delay
1.3%
Cancelled
609
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 86% of the time across 609 flights. No comparison to make.

What the data says

Morning flights do better here.

DEN–JMS flights departing between 6–9 AM arrived on time 91% of the time, versus 82% between 12–3 PM.

Saturdays have been rough.

DEN–JMS flights arrived on time 97% of the time on Wednesdays and just 75% on Saturdays. That gap is worth planning around.

Ticking up lately.

DEN–JMS flights arrived on time 86% of the time over the last three months in the data, compared with 80% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon87%(97 flights)
  • Tue82%(54 flights)
  • Wed97%(95 flights)
  • Thu89%(94 flights)
  • Fri79%(99 flights)
  • Sat75%(52 flights)
  • Sun84%(101 flights)
On-time by departure window
  • 6–9 AM91%(239 flights)
  • 12–3 PM82%(353 flights)
On-time trend by month
92%
May

Jun 82% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%33
July 202587%53
August 202583%52
September 202586%51
October 202591%53
November 202596%50
December 202577%51
January 202686%50
February 202678%46
March 202683%52
April 202684%49
May 202692%52

Keep nerding

Based on 609 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.