Route · CHA → ORD · 2020–2025 BTS data
Chattanooga to Chicago
The CHA–ORD corridor (Chattanooga, TN → Chicago, IL) runs behind the national average, served by 6 carriers across roughly 501 miles.
Data updated 2026-06-13
- 77.8%
- On-time
- -1.2 pts
- vs US avg
- 95 min
- Delay when late
- 3,031
- Flights
Cancelled
1.7%
Best Month
Dec 2023 91%
Worst Month
Jan 2025 62%
Distance
501 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 62 | 22 | 2 | 0 | YX,MQ,OO |
| Nov 2025 | 118 | 26 | 8 | 0 | OO,YX |
| Oct 2025 | 132 | 39 | 0 | 0 | OO,YX |
| Sep 2025 | 58 | 16 | 0 | 1 | OO |
| Apr 2025 | 60 | 17 | 2 | 0 | OO |
| Feb 2025 | 37 | 14 | 0 | 0 | OO |
| Jan 2025 | 85 | 32 | 4 | 0 | OO |
| Dec 2024 | 88 | 23 | 0 | 0 | OO,YX |
| Nov 2024 | 89 | 20 | 0 | 0 | YX,OO |
| Oct 2024 | 93 | 15 | 0 | 0 | OO,YX |
| Sep 2024 | 90 | 15 | 0 | 0 | OO |
| Aug 2024 | 92 | 28 | 1 | 0 | OO |
| Jul 2024 | 92 | 25 | 2 | 0 | OO |
| Jun 2024 | 90 | 18 | 2 | 0 | OO |
| May 2024 | 90 | 31 | 1 | 0 | OO |
| Apr 2024 | 86 | 22 | 2 | 1 | OO |
| Mar 2024 | 84 | 10 | 0 | 0 | OO |
| Feb 2024 | 79 | 13 | 1 | 0 | OO |
| Jan 2024 | 85 | 31 | 8 | 1 | OO |
| Dec 2023 | 87 | 8 | 0 | 0 | OO,YX |
| Nov 2023 | 89 | 15 | 0 | 0 | YX,OO |
| Oct 2023 | 93 | 12 | 0 | 0 | OO |
| Sep 2023 | 88 | 13 | 1 | 0 | OO |
| Aug 2023 | 85 | 11 | 1 | 0 | OO |
Cancellation Rate
1.7%
35 of 2,052 flights
Diversion Rate
0.1%
3 of 2,052 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CHA - Chattanooga
Full on-time, delay-cause, and seasonal performance for Chattanooga, TN.
Origin airport →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See CHA and ORD side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to CHA–ORD.
Routes with a similar on-time rate
What the Data Says About CHA to ORD
The Chattanooga to Chicago corridor (CHA to ORD) posts a 77.8% on-time rate on the lower edge of the average band, based on 3,031 tracked flights. Late flights run 94.9 minutes behind on average. 6 carriers cover the 501-mile route; over the last 24 months, 35 of 2,052 flights were cancelled (1.7%) and 0.1% diverted.
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 91% on-time, while Jan 2025 came in at just 62% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from CHA to ORD? ▼
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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.