Delta Air Lines ATL to MKE on-time performance
Delta Air Lines nonstop flights from Atlanta to Milwaukee · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
2.0%
44 flights
Avg arrival delay
10 min
52 min when late
Rank on route
#1 of 2
route average 82% on time
Key facts
- Delta Air Lines flights on ATL to MKE arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 2% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (49%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)49%
- Late-arriving aircraft26%
- Air traffic control & airport congestion19%
- Extreme weather6%
- Security0%
Other airlines on ATL to MKE
- Frontier Airlines52% on time · 21 min avg delay
Full ATL to MKE comparison →
Delta Air Lines on-time record across all routes →
2,202 Delta Air Lines flights tracked on this route; 44 cancelled, 7 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.