Route · ATL → CHS · 2020–2025 BTS data
Atlanta to Charleston
The ATL–CHS corridor (Atlanta, GA → Charleston, SC) runs ahead of the national average, served by 9 carriers across roughly 259 miles.
Data updated 2026-06-13
- 85.3%
- On-time
- +6.3 pts
- vs US avg
- 61 min
- Delay when late
- 17,027
- Flights
Cancelled
1.1%
Best Month
Sep 2025 93%
Worst Month
Jul 2024 59%
Distance
259 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 263 | 55 | 4 | 1 | DL,OO |
| Nov 2025 | 264 | 30 | 6 | 0 | DL |
| Oct 2025 | 279 | 37 | 0 | 0 | DL |
| Sep 2025 | 239 | 16 | 0 | 0 | DL |
| Aug 2025 | 253 | 39 | 4 | 2 | DL |
| Jul 2025 | 282 | 84 | 1 | 0 | DL |
| Jun 2025 | 278 | 80 | 9 | 2 | DL |
| May 2025 | 282 | 75 | 0 | 0 | DL |
| Apr 2025 | 256 | 46 | 2 | 0 | DL |
| Mar 2025 | 256 | 35 | 3 | 0 | DL |
| Feb 2025 | 204 | 37 | 0 | 1 | DL |
| Jan 2025 | 214 | 36 | 18 | 0 | DL |
| Dec 2024 | 237 | 29 | 0 | 0 | DL |
| Nov 2024 | 229 | 18 | 0 | 0 | DL |
| Oct 2024 | 252 | 20 | 0 | 0 | DL |
| Sep 2024 | 241 | 28 | 0 | 0 | DL |
| Aug 2024 | 249 | 53 | 0 | 0 | DL |
| Jul 2024 | 256 | 105 | 19 | 1 | DL |
| Jun 2024 | 250 | 43 | 0 | 0 | DL |
| May 2024 | 232 | 63 | 1 | 0 | DL |
| Apr 2024 | 227 | 32 | 0 | 0 | DL |
| Mar 2024 | 227 | 33 | 0 | 0 | DL |
| Feb 2024 | 189 | 21 | 0 | 0 | DL |
| Jan 2024 | 203 | 36 | 0 | 0 | DL |
Cancellation Rate
1.1%
67 of 5,862 flights
Diversion Rate
0.1%
7 of 5,862 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Origin airport →CHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
Destination airport →Compare the two airports
See ATL and CHS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ATL–CHS.
Routes with a similar on-time rate
What the Data Says About ATL to CHS
Atlanta to Charleston (ATL to CHS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.3% on-time rate across 17,027 flights, with delays that do happen averaging 60.5 minutes. The corridor runs roughly 259 miles and is served by 9 carriers. Over the most recent 24 months, 67 of 5,862 flights were cancelled (1.1%) and 7 diverted (0.1%).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 59% - a 34-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.