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WanderNerd

Route Reliability

Denver → Madison

DENMSN · 826 miles · Denver International Airport to Dane County Regional Airport

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
4 min
Average arrival delay
0.6%
Cancelled
1,051
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines82%910 flights
  2. 2.Frontier Airlines75%141 flights

What the data says

The 12–3 PM departure wins.

DEN–MSN flights departing between 12–3 PM arrived on time 89% of the time, versus 66% between 6–9 PM.

Sunday scaries are real for this one.

DEN–MSN flights arrived on time 87% of the time on Mondays. On Sundays: 77%.

United Airlines has a slight edge here.

United Airlines arrived on time 82% of the time on this route; Frontier Airlines managed 75%.

Ticking up lately.

DEN–MSN flights arrived on time 85% 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%(156 flights)
  • Tue80%(132 flights)
  • Wed83%(139 flights)
  • Thu81%(170 flights)
  • Fri79%(158 flights)
  • Sat81%(109 flights)
  • Sun77%(179 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 6–9 AM(3 flights)
  • 9 AM–12 PM87%(379 flights)
  • 12–3 PM89%(183 flights)
  • 3–6 PM76%(314 flights)
  • 6–9 PM66%(163 flights)
On-time trend by month
79%
May

Jun 69% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%96
July 202567%100
August 202582%100
September 202588%97
October 202586%102
November 202586%98
December 202578%73
January 202677%64
February 202684%56
March 202684%74
April 202692%76
May 202679%107

Based on 1,051 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.