Historical on-time performance
St. Louis to Milwaukee
Flights on STL–MKE arrive on time 83% of the time over the last 12 months.
based on 683 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time83%Medianon timep9030 minCancel0.7%Flights683
Why flights run late
Delay causes
- Airline28%
- Weather1%
- Air traffic (NAS)6%
- Late aircraft65%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather80%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 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 STL → 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 70% to 91% on time.
- Mornings91% on time · p90 5 min · 448 flights
- Middays88% on time · p90 15 min · 602 flights
- Evenings79% on time · p90 25 min · 256 flights
- Overnights70% on time · p90 65 min · 698 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 85% on time.
- Wednesdays85% on time · p90 20 min · 323 flights
- Saturdays84% on time · p90 20 min · 204 flights
- Tuesdays83% on time · p90 30 min · 324 flights
- Fridays79% on time · p90 40 min · 322 flights
- Thursdays79% on time · p90 40 min · 321 flights
- Mondays78% on time · p90 45 min · 321 flights
- Sundays78% on time · p90 45 min · 258 flights
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