Route · CHS → ATL · 2020–2025 BTS data
Charleston to Atlanta
The CHS–ATL corridor (Charleston, SC → Atlanta, GA) runs ahead of the national average, served by 9 carriers across roughly 259 miles.
Data updated 2026-06-13
- 89.9%
- On-time
- +10.9 pts
- vs US avg
- 78 min
- Delay when late
- 17,024
- Flights
Cancelled
1.2%
Best Month
Sep 2025 96%
Worst Month
Jul 2024 69%
Distance
259 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 263 | 26 | 4 | 0 | DL,OO |
| Nov 2025 | 263 | 20 | 6 | 1 | DL |
| Oct 2025 | 279 | 22 | 1 | 1 | DL |
| Sep 2025 | 239 | 9 | 0 | 0 | DL |
| Aug 2025 | 254 | 28 | 5 | 0 | DL |
| Jul 2025 | 282 | 45 | 0 | 2 | DL |
| Jun 2025 | 277 | 53 | 9 | 1 | DL |
| May 2025 | 282 | 46 | 0 | 0 | DL |
| Apr 2025 | 256 | 30 | 1 | 1 | DL |
| Mar 2025 | 256 | 30 | 3 | 0 | DL |
| Feb 2025 | 204 | 25 | 0 | 0 | DL |
| Jan 2025 | 214 | 27 | 18 | 0 | DL |
| Dec 2024 | 237 | 39 | 0 | 0 | DL |
| Nov 2024 | 228 | 18 | 0 | 0 | DL |
| Oct 2024 | 253 | 10 | 0 | 0 | DL |
| Sep 2024 | 241 | 26 | 0 | 0 | DL |
| Aug 2024 | 249 | 26 | 0 | 0 | DL |
| Jul 2024 | 256 | 79 | 20 | 0 | DL |
| Jun 2024 | 250 | 34 | 0 | 0 | DL |
| May 2024 | 232 | 50 | 1 | 0 | DL |
| Apr 2024 | 227 | 34 | 0 | 0 | DL |
| Mar 2024 | 226 | 26 | 0 | 0 | DL |
| Feb 2024 | 189 | 16 | 0 | 0 | DL |
| Jan 2024 | 202 | 25 | 0 | 0 | DL |
Cancellation Rate
1.2%
68 of 5,859 flights
Diversion Rate
0.1%
6 of 5,859 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
Origin airport →ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Destination airport →Compare the two airports
See CHS 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 CHS–ATL.
Routes with a similar on-time rate
What the Data Says About CHS to ATL
Charleston to Atlanta (CHS to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.9% on-time rate across 17,024 flights, with delays that do happen averaging 77.6 minutes. The corridor runs roughly 259 miles and is served by 9 carriers. Over the most recent 24 months, 68 of 5,859 flights were cancelled (1.2%) and 6 diverted (0.1%).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 96% on-time, while Jul 2024 came in at just 69% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from CHS 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.