Historical on-time performance
Denver to Milwaukee
896 miData through May 2026Source: US DOT · BTS
Flights on DEN–MKE arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 2,235 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time78%Medianon timep9045 minCancel0.0%Flights770
- Southwest AirlinesOn-time71%Medianon timep9060 minCancel0.6%Flights1,257
- SkyWest AirlinesOn-time66%Medianon timep9085 minCancel0.0%Flights208
Why flights run late
Delay causes
- Airline34%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather75%
- Air traffic (NAS)25%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 8 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → MKE
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 1,391 flights
- Middays81% on time · p90 30 min · 2,367 flights
- Afternoons69% on time · p90 55 min · 738 flights
- Overnights66% on time · p90 70 min · 1,184 flights
- Evenings64% on time · p90 80 min · 2,007 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 77% on time.
- Wednesdays77% on time · p90 40 min · 1,065 flights
- Saturdays77% on time · p90 50 min · 942 flights
- Tuesdays76% on time · p90 50 min · 1,032 flights
- Sundays74% on time · p90 45 min · 1,110 flights
- Mondays74% on time · p90 45 min · 1,187 flights
- Thursdays73% on time · p90 55 min · 1,150 flights
- Fridays72% on time · p90 60 min · 1,201 flights
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