BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DEN→MKE

Denver, CO (DEN) to Milwaukee, WI (MKE) flight delay odds

74.9% of 2,339 official scheduled DEN-to-MKE flights arrived on time; 16.2% arrived at least 30 minutes late and 0.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
74.9%arrived on time
16.2%30+ min late
0.4%cancelled
2,339scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.6%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+11.0 mincompleted flights

Which departure time was most reliable for DEN to MKE?

Among qualifying DEN-to-MKE departure window results, Early morning had the highest on-time rate: 90.6% of 170 flights. Evening was lowest at 62.8% across 923 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning17090.6%3.5%0.0%
Late morning62184.9%7.4%0.2%
Afternoon58579.1%12.1%0.7%
Evening92362.8%26.9%0.3%
Night4067.5%20.0%2.5%

Which weekday was most reliable for DEN to MKE?

Among qualifying DEN-to-MKE weekday results, Tuesday had the highest on-time rate: 79.4% of 321 flights. Friday was lowest at 71.2% across 371 flights.

DayFlightsOn time30+ minCancelled
Monday36771.7%18.0%0.8%
Tuesday32179.4%13.1%0.0%
Wednesday32577.2%13.5%0.3%
Thursday34173.3%18.8%0.3%
Friday37171.2%20.5%0.0%
Saturday27279.4%14.3%0.4%
Sunday34273.7%14.0%0.9%

Which airline was most reliable for DEN to MKE?

Among qualifying DEN-to-MKE airline results, Frontier Airlines had the highest on-time rate: 86.7% of 60 flights. Southwest Airlines was lowest at 71.7% across 1,253 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,25371.7%18.1%0.6%
United Airlines74180.3%12.6%0.0%
SkyWest Airlines28572.3%18.2%0.4%
Frontier Airlines6086.7%11.7%0.0%

Which month was most reliable for DEN to MKE?

Among qualifying DEN-to-MKE month results, October 2025 had the highest on-time rate: 87.1% of 232 flights. July 2025 was lowest at 60.4% across 268 flights.

MonthFlightsOn time30+ minCancelled
July 202526860.4%29.9%0.4%
August 202523961.5%28.0%0.4%
September 202522580.0%13.8%0.0%
October 202523287.1%7.3%0.0%
November 202517183.0%9.9%0.6%
December 202516876.2%16.7%0.0%
January 202615584.5%8.4%0.0%
February 202613678.7%14.0%0.0%
March 202615972.3%14.5%2.5%
April 202616080.6%10.0%0.0%
May 202619078.4%11.6%0.0%
June 202623667.4%19.5%0.8%

What drove DEN to MKE delay minutes?

Late aircraft was the largest recorded DEN-to-MKE delay category, accounting for 46.5% of 38,003 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.4%
Late aircraft46.5%
National airspace14.5%
Weather2.6%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.