Route · ORD → CHA · 2020–2025 BTS data
Chicago to Chattanooga
The ORD–CHA corridor (Chicago, IL → Chattanooga, TN) runs behind the national average, served by 6 carriers across roughly 501 miles.
Data updated 2026-06-13
- 77%
- On-time
- -2 pts
- vs US avg
- 73 min
- Delay when late
- 3,032
- Flights
Cancelled
1.6%
Best Month
Mar 2024 92%
Worst Month
Jan 2024 55%
Distance
501 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 61 | 21 | 3 | 0 | YX,MQ,OO |
| Nov 2025 | 118 | 31 | 10 | 2 | OO,YX |
| Oct 2025 | 132 | 39 | 1 | 0 | OO,YX |
| Sep 2025 | 59 | 13 | 0 | 0 | OO |
| Apr 2025 | 60 | 8 | 2 | 0 | OO |
| Feb 2025 | 36 | 9 | 0 | 1 | OO |
| Jan 2025 | 85 | 32 | 3 | 1 | OO |
| Dec 2024 | 88 | 30 | 0 | 0 | OO,YX |
| Nov 2024 | 89 | 12 | 0 | 0 | YX,OO |
| Oct 2024 | 93 | 11 | 0 | 0 | OO,YX |
| Sep 2024 | 90 | 12 | 0 | 0 | OO |
| Aug 2024 | 93 | 28 | 1 | 0 | OO |
| Jul 2024 | 91 | 29 | 1 | 0 | OO |
| Jun 2024 | 90 | 19 | 1 | 0 | OO |
| May 2024 | 90 | 32 | 1 | 1 | OO |
| Apr 2024 | 86 | 17 | 2 | 0 | OO |
| Mar 2024 | 84 | 7 | 0 | 0 | OO |
| Feb 2024 | 79 | 10 | 1 | 0 | OO |
| Jan 2024 | 85 | 38 | 5 | 0 | OO |
| Dec 2023 | 87 | 8 | 0 | 0 | OO,YX |
| Nov 2023 | 89 | 15 | 0 | 0 | YX,OO |
| Oct 2023 | 93 | 25 | 0 | 1 | OO |
| Sep 2023 | 88 | 21 | 0 | 0 | OO |
| Aug 2023 | 85 | 14 | 1 | 0 | OO |
Cancellation Rate
1.6%
32 of 2,051 flights
Diversion Rate
0.3%
6 of 2,051 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 →CHA - Chattanooga
Full on-time, delay-cause, and seasonal performance for Chattanooga, TN.
Destination airport →Compare the two airports
See ORD and CHA 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–CHA.
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What the Data Says About ORD to CHA
The Chicago to Chattanooga corridor (ORD to CHA) posts a 77% on-time rate on the lower edge of the average band, based on 3,032 tracked flights. Late flights run 72.6 minutes behind on average. 6 carriers cover the 501-mile route; over the last 24 months, 32 of 2,051 flights were cancelled (1.6%) and 0.3% diverted.
The monthly split is wide on this route: Mar 2024 posted the strongest performance at 92% on-time, while Jan 2024 came in at just 55% - a 36-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.