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Flight Reliability

UA 1836 · United Airlines

Denver → Milwaukee (DEN–MKE)89% of its flights flew this route. The rest (PBI–DEN, SAN–DEN) are included in these numbers.

94
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
0 min
Average arrival delay
0%
Cancelled
6 min early
Median arrival delay

Based on 410 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

UA 1836 departing between 6–9 AM arrived on time 93% of the time, versus 85% between 9 AM–12 PM.

Friday is doing you no favors.

UA 1836 arrived on time 89% of the time on Tuesdays. On Fridays: 82%.

Better than the DEN–MKE route average.

UA 1836 arrived on time 86% of the time, versus 75% across the DEN–MKE route.

Better than the United Airlines network average.

UA 1836 arrived on time 86% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon86%(59 flights)
  • Tue89%(55 flights)
  • Wed87%(54 flights)
  • Thu85%(60 flights)
  • Fri82%(60 flights)
  • Sat88%(60 flights)
  • Sun87%(61 flights)
On-time by departure window
  • 6–9 AM93%(45 flights)
  • 9 AM–12 PM85%(364 flights)
On-time trend by month
84%
May

Jun 73% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202587%31
August 202577%31
September 202580%30
October 202590%31
November 202597%30
December 202589%45
January 202689%55
February 202691%35
March 202683%30
April 202690%30
May 202684%31
Departures on time
87%
Diverted
0.2%
Flights flown
409
Months covered
12

Same route, other flights

Keep nerding

Based on 410 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.