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Route Reliability

Madison → Denver

MSN–DEN · 826 miles · Dane County Regional Airport to Denver International Airport

83
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
9 min
Average arrival delay
0.7%
Cancelled
1,049
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%909 flights
  2. 2.Frontier Airlines64%140 flights

What the data says

Morning flights do better here.

MSN–DEN flights departing between 3–6 AM arrived on time 100% of the time, versus 63% between 6–9 PM.

Monday comes out ahead.

A small edge: 81% on time on Mondays against 78% on Saturdays.

United Airlines has a clear lead on this route.

United Airlines arrived on time 82% of the time on this route; Frontier Airlines managed 64%.

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
  • Mon81%(154 flights)
  • Tue80%(133 flights)
  • Wed78%(139 flights)
  • Thu79%(172 flights)
  • Fri80%(151 flights)
  • Sat78%(107 flights)
  • Sun80%(181 flights)
On-time by departure window
  • 3–6 AM100%(11 flights)
  • 6–9 AM88%(255 flights)
  • 9 AM–12 PM91%(108 flights)
  • 12–3 PM85%(84 flights)
  • 3–6 PM75%(463 flights)
  • 6–9 PM63%(116 flights)
On-time trend by month
81%
May

Jun 68% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%95
July 202567%99
August 202578%99
September 202580%96
October 202583%102
November 202585%98
December 202578%73
January 202689%64
February 202684%56
March 202681%74
April 202687%76
May 202681%105

Keep nerding

Based on 1,049 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.