Route · ORD → ATL · 2020–2025 BTS data
Chicago to Atlanta
The ORD–ATL corridor (Chicago, IL → Atlanta, GA) runs ahead of the national average, served by 54 carriers across roughly 606 miles.
Data updated 2026-06-13
- 79.8%
- On-time
- +0.8 pts
- vs US avg
- 80 min
- Delay when late
- 34,113
- Flights
Cancelled
1.5%
Best Month
Oct 2024 89%
Worst Month
Jul 2024 60%
Distance
606 mi
Carriers
54
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 491 | 166 | 17 | 0 | DL,YX,F9,AA,MQ,UA |
| Nov 2025 | 526 | 111 | 27 | 1 | UA,DL,F9,MQ,AA,YX |
| Oct 2025 | 569 | 124 | 0 | 1 | AA,DL,OO,UA,YX,F9,MQ |
| Sep 2025 | 543 | 69 | 0 | 1 | MQ,UA,OO,DL,NK,YX,F9,AA |
| Aug 2025 | 573 | 121 | 10 | 3 | AA,YX,F9,NK,OH,UA,DL |
| Jul 2025 | 569 | 187 | 13 | 6 | AA,DL,UA,YX,F9,MQ,NK |
| Jun 2025 | 565 | 195 | 9 | 4 | AA,DL,NK,OO,UA,F9,MQ |
| May 2025 | 557 | 125 | 1 | 0 | AA,DL,UA,YX,F9,MQ,NK |
| Apr 2025 | 501 | 115 | 10 | 5 | DL,F9,MQ,NK,UA,YX,AA |
| Mar 2025 | 476 | 109 | 3 | 0 | AA,DL,UA,YX,F9,MQ,NK |
| Feb 2025 | 392 | 85 | 1 | 0 | AA,DL,UA,YX,F9,MQ |
| Jan 2025 | 431 | 84 | 23 | 1 | AA,DL,YX,UA,F9,MQ |
| Dec 2024 | 438 | 90 | 0 | 0 | AA,DL,F9,MQ,UA,YX |
| Nov 2024 | 474 | 55 | 0 | 1 | UA,MQ,YX,DL,F9,AA |
| Oct 2024 | 516 | 57 | 2 | 0 | UA,DL,F9,AA |
| Sep 2024 | 496 | 99 | 3 | 1 | UA,AA,DL,F9,MQ,NK |
| Aug 2024 | 511 | 156 | 10 | 1 | AA,DL,F9,NK,OO,UA |
| Jul 2024 | 501 | 201 | 25 | 6 | AA,DL,F9,NK,UA |
| Jun 2024 | 486 | 134 | 7 | 0 | AA,DL,F9,MQ,NK,UA |
| May 2024 | 490 | 181 | 6 | 0 | AA,DL,F9,MQ,NK,OO,UA |
| Apr 2024 | 468 | 92 | 1 | 0 | AA,DL,F9,MQ,NK,OO,UA,YX |
| Mar 2024 | 459 | 106 | 0 | 1 | AA,DL,F9,MQ,NK,OO,UA,YX |
| Feb 2024 | 401 | 48 | 0 | 2 | AA,DL,F9,MQ,NK,OO,UA,YX |
| Jan 2024 | 425 | 120 | 10 | 0 | AA,DL,F9,MQ,NK,OO,UA |
Cancellation Rate
1.5%
178 of 11,858 flights
Diversion Rate
0.3%
34 of 11,858 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - 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 ORD 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 ORD–ATL.
Routes with a similar on-time rate
What the Data Says About ORD to ATL
34,113 tracked flights put the ORD to ATL pairing (Chicago to Atlanta) at a 79.8% on-time rate, squarely in line with the wider network. Delays that do occur run 80.2 minutes on average. Across the 606-mile route and its 54 carriers, the trailing 24 months show 1.5% cancelled and 0.3% diverted (11,858 flights sampled).
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 60% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to ATL? ▼
What is the cancellation rate for ORD to ATL? ▼
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Flight Guides
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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.