Route · MDW → ATL · 2020–2025 BTS data
Chicago to Atlanta
The MDW–ATL corridor (Chicago, IL → Atlanta, GA) runs ahead of the national average, served by 13 carriers across roughly 591 miles.
Data updated 2026-06-13
- 82.3%
- On-time
- +3.3 pts
- vs US avg
- 70 min
- Delay when late
- 19,604
- Flights
Cancelled
1.3%
Best Month
Oct 2024 89%
Worst Month
Jul 2024 69%
Distance
591 mi
Carriers
13
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 290 | 62 | 9 | 0 | DL,WN,F9 |
| Nov 2025 | 288 | 48 | 12 | 3 | DL,F9,WN |
| Oct 2025 | 304 | 37 | 0 | 1 | DL,WN,F9 |
| Sep 2025 | 292 | 36 | 0 | 0 | WN,DL,F9 |
| Aug 2025 | 305 | 58 | 4 | 0 | WN,F9,DL |
| Jul 2025 | 324 | 93 | 5 | 1 | WN,DL,F9 |
| Jun 2025 | 318 | 83 | 9 | 4 | DL,WN,F9 |
| May 2025 | 330 | 66 | 0 | 2 | DL,WN,F9 |
| Apr 2025 | 310 | 63 | 3 | 2 | DL,F9,WN |
| Mar 2025 | 305 | 53 | 3 | 1 | DL,WN,F9 |
| Feb 2025 | 234 | 37 | 1 | 0 | WN,DL,F9 |
| Jan 2025 | 279 | 53 | 16 | 0 | WN,DL,F9 |
| Dec 2024 | 304 | 51 | 0 | 1 | DL,F9,WN |
| Nov 2024 | 331 | 47 | 0 | 0 | WN,DL,F9 |
| Oct 2024 | 340 | 36 | 1 | 0 | WN,DL,F9 |
| Sep 2024 | 329 | 45 | 1 | 0 | WN,DL,F9 |
| Aug 2024 | 348 | 55 | 0 | 1 | DL,F9,WN |
| Jul 2024 | 339 | 104 | 9 | 2 | DL,F9,WN |
| Jun 2024 | 331 | 54 | 3 | 0 | DL,F9,WN |
| May 2024 | 314 | 63 | 2 | 3 | DL,F9,WN |
| Apr 2024 | 313 | 46 | 2 | 0 | DL,F9,WN |
| Mar 2024 | 307 | 53 | 2 | 0 | DL,F9,WN |
| Feb 2024 | 245 | 30 | 0 | 0 | DL,F9,WN |
| Jan 2024 | 262 | 63 | 17 | 0 | DL,F9,WN |
Cancellation Rate
1.3%
99 of 7,342 flights
Diversion Rate
0.3%
21 of 7,342 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Destination airport →Compare the two airports
See MDW and ATL side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MDW–ATL.
Routes with a similar on-time rate
What the Data Says About MDW to ATL
Bureau of Transportation Statistics records show Chicago to Atlanta (MDW to ATL) running a 82.3% on-time rate over 19,604 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 69.8 minutes. The 591-mile corridor is served by 13 carriers, and over the last 24 months 1.3% of 7,342 flights were cancelled, 0.3% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Jul 2024 came in at just 69% - a 20-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.