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Route Reliability

MLI → Denver

MLI–DEN · 751 miles · MLI Airport to Denver International Airport

90
Nerd Approved
WanderNerd Reliability Score
84%
Arrive within 15 minutes
3 min
Average arrival delay
0.3%
Cancelled
367
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 84% of the time across 367 flights. No comparison to make.

What the data says

The 6–9 AM departure wins.

MLI–DEN flights departing between 6–9 AM arrived on time 88% of the time, versus 80% between 9 AM–12 PM.

Sunday scaries are real for this one.

MLI–DEN flights arrived on time 89% of the time on Mondays. On Sundays: 77%.

It basically never cancels.

Out of 367 scheduled flights, only 0.3% were cancelled.

Trending in the right direction.

MLI–DEN flights arrived on time 92% of the time over the last three months in the data, compared with 82% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon89%(52 flights)
  • Tue87%(52 flights)
  • Wed83%(52 flights)
  • Thu79%(52 flights)
  • Fri89%(52 flights)
  • Sat87%(52 flights)
  • Sun77%(53 flights)
On-time by departure window
  • 6–9 AM88%(216 flights)
  • 9 AM–12 PM80%(147 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
94%
May

Jun 87% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202574%31
August 202571%31
September 202587%30
October 202584%31
November 202584%31
December 202565%31
January 202697%30
February 202686%28
March 202684%31
April 2026100%30
May 202694%31

Keep nerding

Based on 367 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.