Route · ATL → MKE · 2020–2025 BTS data
Atlanta to Milwaukee
The ATL–MKE corridor (Atlanta, GA → Milwaukee, WI) runs ahead of the national average, served by 5 carriers across roughly 669 miles.
Data updated 2026-06-13
- 84.8%
- On-time
- +5.8 pts
- vs US avg
- 61 min
- Delay when late
- 13,175
- Flights
Cancelled
1.0%
Best Month
Sep 2024 92%
Worst Month
Jul 2024 68%
Distance
669 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 183 | 45 | 6 | 0 | DL,F9 |
| Nov 2025 | 176 | 24 | 3 | 0 | DL |
| Oct 2025 | 201 | 22 | 0 | 0 | DL |
| Sep 2025 | 187 | 16 | 0 | 0 | DL |
| Aug 2025 | 198 | 35 | 2 | 1 | DL |
| Jul 2025 | 199 | 35 | 0 | 1 | DL |
| Jun 2025 | 196 | 50 | 6 | 0 | DL |
| May 2025 | 197 | 38 | 0 | 0 | DL |
| Apr 2025 | 173 | 36 | 1 | 0 | DL,WN |
| Mar 2025 | 202 | 36 | 2 | 0 | WN,DL |
| Feb 2025 | 171 | 33 | 0 | 0 | WN,DL |
| Jan 2025 | 185 | 38 | 10 | 0 | WN,DL |
| Dec 2024 | 196 | 41 | 0 | 0 | DL,WN |
| Nov 2024 | 203 | 17 | 0 | 0 | WN,DL |
| Oct 2024 | 222 | 19 | 0 | 0 | DL,WN |
| Sep 2024 | 214 | 17 | 0 | 0 | WN,DL |
| Aug 2024 | 226 | 31 | 1 | 1 | DL,WN |
| Jul 2024 | 227 | 72 | 12 | 0 | DL,WN |
| Jun 2024 | 213 | 36 | 0 | 0 | DL,WN |
| May 2024 | 226 | 63 | 0 | 1 | DL,WN |
| Apr 2024 | 205 | 40 | 0 | 0 | DL,WN |
| Mar 2024 | 193 | 45 | 0 | 0 | DL,WN |
| Feb 2024 | 170 | 21 | 0 | 0 | DL,WN |
| Jan 2024 | 188 | 37 | 6 | 1 | DL,WN |
Cancellation Rate
1.0%
49 of 4,751 flights
Diversion Rate
0.1%
5 of 4,751 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Origin airport →MKE - Milwaukee
Full on-time, delay-cause, and seasonal performance for Milwaukee, WI.
Destination airport →Compare the two airports
See ATL and MKE side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ATL–MKE.
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What the Data Says About ATL to MKE
Bureau of Transportation Statistics records show Atlanta to Milwaukee (ATL to MKE) running a 84.8% on-time rate over 13,175 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 60.6 minutes. The 669-mile corridor is served by 5 carriers, and over the last 24 months 1.0% of 4,751 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 92% on-time, while Jul 2024 came in at just 68% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.