Historical on-time performance
Denver to Milwaukee
896 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–MKE arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 2,202 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time73%Medianon timep9050 minCancel0.0%Flights634
- SkyWest AirlinesOn-time66%Medianon timep9080 minCancel0.7%Flights284
- Southwest AirlinesOn-time70%Medianon timep9070 minCancel0.8%Flights1,284
Why flights run late
Delay causes
- Airline33%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft50%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,570 flights
- Middays81% on time · p90 30 min · 2,265 flights
- Afternoons67% on time · p90 60 min · 747 flights
- Overnights65% on time · p90 70 min · 1,247 flights
- Evenings62% on time · p90 80 min · 1,941 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 77% on time.
- Saturdays77% on time · p90 50 min · 955 flights
- Wednesdays75% on time · p90 45 min · 1,074 flights
- Tuesdays74% on time · p90 50 min · 1,060 flights
- Mondays73% on time · p90 45 min · 1,196 flights
- Sundays73% on time · p90 45 min · 1,128 flights
- Fridays72% on time · p90 60 min · 1,191 flights
- Thursdays71% on time · p90 55 min · 1,166 flights
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