Route · ATL → MDW · 2020–2025 BTS data
Atlanta to Chicago
The ATL–MDW corridor (Atlanta, GA → Chicago, IL) runs ahead of the national average, served by 14 carriers across roughly 591 miles.
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 66 min
- Delay when late
- 19,666
- Flights
Cancelled
1.2%
Best Month
Feb 2024 91%
Worst Month
Jul 2025 67%
Distance
591 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 290 | 78 | 9 | 1 | DL,WN,F9 |
| Nov 2025 | 288 | 50 | 14 | 4 | DL,F9,WN |
| Oct 2025 | 304 | 62 | 0 | 0 | DL,WN,F9 |
| Sep 2025 | 292 | 28 | 0 | 0 | WN,DL,F9 |
| Aug 2025 | 305 | 74 | 3 | 1 | WN,F9,DL |
| Jul 2025 | 324 | 108 | 4 | 4 | WN,DL,F9 |
| Jun 2025 | 316 | 96 | 8 | 1 | DL,WN,F9 |
| May 2025 | 321 | 79 | 0 | 1 | DL,WN,F9 |
| Apr 2025 | 301 | 61 | 1 | 2 | DL,F9,WN |
| Mar 2025 | 303 | 50 | 2 | 1 | WN,DL,F9 |
| Feb 2025 | 246 | 43 | 1 | 0 | WN,DL,F9 |
| Jan 2025 | 279 | 54 | 13 | 1 | WN,DL,F9 |
| Dec 2024 | 304 | 60 | 1 | 0 | DL,F9,WN |
| Nov 2024 | 330 | 57 | 1 | 1 | WN,DL,F9 |
| Oct 2024 | 342 | 43 | 0 | 0 | DL,F9,WN |
| Sep 2024 | 330 | 48 | 0 | 0 | WN,DL,F9 |
| Aug 2024 | 348 | 51 | 0 | 1 | DL,F9,WN |
| Jul 2024 | 339 | 96 | 11 | 2 | DL,F9,WN |
| Jun 2024 | 331 | 67 | 0 | 2 | DL,F9,WN |
| May 2024 | 339 | 105 | 2 | 2 | DL,F9,WN |
| Apr 2024 | 333 | 68 | 2 | 0 | DL,F9,WN |
| Mar 2024 | 308 | 50 | 2 | 0 | DL,F9,WN |
| Feb 2024 | 243 | 22 | 0 | 1 | DL,F9,WN |
| Jan 2024 | 267 | 56 | 15 | 4 | DL,F9,WN |
Cancellation Rate
1.2%
89 of 7,383 flights
Diversion Rate
0.4%
29 of 7,383 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 →MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See ATL and MDW 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–MDW.
Routes with a similar on-time rate
What the Data Says About ATL to MDW
19,666 tracked flights put the ATL to MDW pairing (Atlanta to Chicago) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 66.3 minutes on average. Across the 591-mile route and its 14 carriers, the trailing 24 months show 1.2% cancelled and 0.4% diverted (7,383 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 67% - 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.