Historical on-time performance
Atlanta to Milwaukee
669 miData through May 2026Source: US DOT · BTS
Flights on ATL–MKE arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled2.0%of scheduled flights
based on 2,209 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time82%Medianon timep9025 minCancel2.0%Flights2,209
Why flights run late
Delay causes
- Airline53%
- Weather6%
- Air traffic (NAS)17%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline77%
- Weather23%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 44 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 ATL → 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 73% to 87% on time.
- Mornings87% on time · p90 15 min · 1,616 flights
- Middays86% on time · p90 20 min · 1,671 flights
- Afternoons79% on time · p90 30 min · 1,431 flights
- Overnights75% on time · p90 45 min · 1,438 flights
- Evenings73% on time · p90 40 min · 1,032 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 86% on time.
- Wednesdays86% on time · p90 20 min · 968 flights
- Tuesdays85% on time · p90 20 min · 960 flights
- Saturdays83% on time · p90 25 min · 910 flights
- Thursdays80% on time · p90 30 min · 1,080 flights
- Fridays78% on time · p90 30 min · 1,110 flights
- Sundays78% on time · p90 40 min · 1,053 flights
- Mondays78% on time · p90 35 min · 1,107 flights
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