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Route Reliability

Denver → COU

DEN–COU · 671 miles · Denver International Airport to COU Airport

84
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
12 min
Average arrival delay
2.0%
Cancelled
249
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 85% of the time across 249 flights. No comparison to make.

What the data says

Skip Monday if you can.

DEN–COU flights arrived on time 92% of the time on Sundays. On Mondays: 79%.

Ticking up lately.

DEN–COU flights arrived on time 88% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(34 flights)
  • Tue83%(35 flights)
  • Wed91%(35 flights)
  • Thu80%(35 flights)
  • Fri80%(35 flights)
  • Sat91%(34 flights)
  • Sun92%(36 flights)
On-time by departure window
  • 12–3 PM—(1 flights)
  • 3–6 PM85%(243 flights)
On-time trend by month
90%
May

Oct 90% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202590%31
November 202587%30
December 202571%31
January 202690%29
February 202682%28
March 202690%29
April 202683%29
May 202690%31

Keep nerding

Based on 249 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.