Route · LGA → CHS · 2020–2025 BTS data
New York to Charleston
The LGA–CHS corridor (New York, NY → Charleston, SC) runs behind the national average, served by 27 carriers across roughly 641 miles.
Data updated 2026-06-13
- 78.6%
- On-time
- -0.4 pts
- vs US avg
- 75 min
- Delay when late
- 7,933
- Flights
Cancelled
3.0%
Best Month
Sep 2024 91%
Worst Month
Dec 2025 56%
Distance
641 mi
Carriers
27
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 139 | 61 | 10 | 0 | DL,YX |
| Nov 2025 | 142 | 40 | 4 | 0 | DL,YX |
| Oct 2025 | 124 | 41 | 5 | 0 | DL,YX |
| Sep 2025 | 125 | 23 | 2 | 0 | DL,YX |
| Aug 2025 | 107 | 18 | 1 | 3 | YX,DL |
| Jul 2025 | 105 | 42 | 9 | 1 | DL,YX |
| Jun 2025 | 101 | 33 | 7 | 0 | DL,YX |
| May 2025 | 98 | 32 | 2 | 0 | DL,NK,YX |
| Apr 2025 | 108 | 21 | 0 | 0 | DL,NK,YX |
| Mar 2025 | 66 | 7 | 1 | 0 | YX |
| Dec 2024 | 111 | 28 | 0 | 0 | 9E,DL,NK,YX |
| Nov 2024 | 141 | 17 | 0 | 0 | NK,YX,DL,9E |
| Oct 2024 | 148 | 16 | 0 | 0 | DL,YX,NK |
| Sep 2024 | 146 | 13 | 0 | 0 | YX,9E,DL,NK |
| Aug 2024 | 154 | 38 | 16 | 0 | DL,NK,9E |
| Jul 2024 | 155 | 36 | 17 | 0 | 9E,DL,NK |
| Jun 2024 | 149 | 29 | 5 | 0 | 9E,DL,NK |
| May 2024 | 149 | 31 | 3 | 0 | 9E,DL,NK,YX |
| Apr 2024 | 137 | 26 | 1 | 0 | 9E,DL,NK,YX |
| Mar 2024 | 119 | 14 | 0 | 0 | 9E,YX |
| Feb 2024 | 112 | 15 | 3 | 0 | 9E,YX |
| Jan 2024 | 115 | 31 | 4 | 1 | 9E,B6,DL,YX |
| Dec 2023 | 137 | 23 | 1 | 0 | B6,DL,YX,9E |
| Nov 2023 | 140 | 21 | 0 | 0 | 9E,B6,DL,YX |
Cancellation Rate
3.0%
91 of 3,028 flights
Diversion Rate
0.2%
5 of 3,028 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LGA - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
Origin airport →CHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
Destination airport →Compare the two airports
See LGA 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 LGA–CHS.
Routes with a similar on-time rate
What the Data Says About LGA to CHS
7,933 tracked flights put the LGA to CHS pairing (New York to Charleston) at a 78.6% on-time rate, squarely in line with the wider network. Delays that do occur run 75.3 minutes on average. Across the 641-mile route and its 27 carriers, the trailing 24 months show 3.0% cancelled and 0.2% diverted (3,028 flights sampled).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 91% on-time, while Dec 2025 came in at just 56% - a 35-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.