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Route · ATL → CHA · 2020–2025 BTS data

Atlanta to Chattanooga

The ATL–CHA corridor (Atlanta, GA → Chattanooga, TN) runs ahead of the national average, served by 13 carriers across roughly 106 miles.

Data updated 2026-06-13

87.3%
On-time
+8.3 pts
vs US avg
75 min
Delay when late
13,429
Flights

Cancelled

1.0%

Best Month

Feb 2024 96%

Worst Month

Jun 2025 58%

Distance

106 mi

Carriers

13

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 75 20 1 0 DL
Nov 2025 118 23 1 0 DL
Oct 2025 143 20 0 0 DL
Sep 2025 137 14 0 0 DL
Aug 2025 112 18 1 0 DL
Jul 2025 159 39 4 0 DL
Jun 2025 141 59 6 0 DL
May 2025 81 26 0 0 DL,OO
Apr 2025 131 34 0 0 DL,OO
Mar 2025 141 26 1 0 DL,OO
Feb 2025 106 19 0 0 OO,DL
Jan 2025 136 31 7 0 DL,OO
Dec 2024 234 44 1 0 9E,DL
Nov 2024 229 20 0 1 9E,DL
Oct 2024 241 15 0 0 DL,9E
Sep 2024 211 21 1 0 9E,DL
Aug 2024 200 36 1 0 DL,9E
Jul 2024 197 62 10 0 9E,DL
Jun 2024 195 19 0 0 9E,DL
May 2024 194 42 1 0 9E,DL
Apr 2024 176 28 0 0 9E,DL,OO
Mar 2024 181 23 0 0 9E,DL,OO
Feb 2024 165 7 0 0 9E,DL,OO
Jan 2024 169 32 3 1 9E,DL,OO

Cancellation Rate

1.0%

38 of 3,872 flights

Diversion Rate

0.1%

2 of 3,872 flights

What the Data Says About ATL to CHA

Atlanta to Chattanooga (ATL to CHA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.3% on-time rate across 13,429 flights, with delays that do happen averaging 74.6 minutes. The corridor runs roughly 106 miles and is served by 13 carriers. Over the most recent 24 months, 38 of 3,872 flights were cancelled (1.0%) and 2 diverted (0.1%).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 96% on-time, while Jun 2025 came in at just 58% - a 38-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from ATL to CHA?
Flights from Atlanta to Chattanooga have a 87.3% on-time rate based on 13,429 flights. The average delay is 74.6 minutes. The best recent month was Feb 2024 with 96% on-time.
What is the cancellation rate for ATL to CHA?
Over the last 24 months, 1.0% of flights on this route were cancelled (38 of 3,872 flights) and 0.1% were diverted.
How far is the flight from ATL to CHA?
The flight distance from Atlanta (ATL) to Chattanooga (CHA) is approximately 106 miles. This route is served by 13 carriers.
When is the best time to fly from ATL to CHA?
The best recent month for on-time performance was Feb 2024 (96% on-time). The worst was Jun 2025 (58% on-time). Consider booking during months with historically better performance.

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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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

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.