Historical on-time performance
Chicago to Milwaukee
Flights on ORD–MKE arrive on time 61% of the time over the last 12 months.
based on 4,998 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Republic AirwaysOn-time73%Medianon timep9040 minCancel11.7%Flights60
- SkyWest AirlinesOn-time60%Medianon timep90100 minCancel4.4%Flights4,898
- Envoy AirOn-time53%Medianon timep90100 minCancel2.5%Flights40
Why flights run late
Delay causes
- Airline41%
- Weather17%
- Air traffic (NAS)16%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline2%
- Weather84%
- Air traffic (NAS)14%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 224 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 ORD → MKE
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 62% to 71% on time.
- Mornings71% on time · p90 55 min · 1,150 flights
- Middays71% on time · p90 70 min · 1,966 flights
- Overnights67% on time · p90 80 min · 2,338 flights
- Afternoons66% on time · p90 80 min · 2,529 flights
- Evenings62% on time · p90 95 min · 2,414 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 62% to 72% on time.
- Tuesdays72% on time · p90 70 min · 1,463 flights
- Wednesdays71% on time · p90 60 min · 1,471 flights
- Saturdays70% on time · p90 65 min · 1,456 flights
- Thursdays67% on time · p90 70 min · 1,486 flights
- Mondays65% on time · p90 90 min · 1,514 flights
- Fridays62% on time · p90 90 min · 1,504 flights
- Sundays62% on time · p90 105 min · 1,503 flights
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