Route · LGA → CHS · 2020–2025 BTS data
New York to Charleston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LGA to CHS (New York to Charleston) ranks #1556 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.6%
- On-time
- -0.4 pts
- vs US avg
- 75 min
- Delay when late
- 7,933
- Flights
- #1556 of 4927
- Corpus placement
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 |
LGA–CHS seasonal on-time pattern
Best: March (85.1%) · weakest: July (74.4%)
Strongest calendar month
March
85.1% on-time · ~116 flights/mo
Busiest calendar month
November
~150 flights/mo avg
Weakest calendar month
July
74.4% on-time · ~135 flights/mo
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.
LGA on-time profileCHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
CHS on-time profileCompare the two airports
See LGA and CHS side by side on delays, cancellations, and reliability.
Compare LGA vs CHSOrigin-hub reliability standing
Mid-pack among LGA departures
From LGA, this corridor sits with 64 other 75–85% on-time routes out of 75 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 3 below 75%). Destination: Charleston · fleet on-time rank #3639 of 4927.
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.
On the multi-year calendar, LGA–CHS peaks in March at 85.1% on-time while November carries the heaviest traffic (~150 flights per month) ; the softest month is July at 74.4%, a 10.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LGA to CHS rank among US routes by traffic? ▼
How often are flights delayed from LGA to CHS? ▼
What is the cancellation rate for LGA to CHS? ▼
How far is the flight from LGA to CHS? ▼
When is the best time to fly from LGA to CHS? ▼
Airports on this route
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.
Using LGA–CHS data
LGA–CHS is mid-pack at 78.6% on-time; month and carrier mix move more than the corridor headline.
- Compare LGA and CHS airport profiles: delay causes and top routes differ even on the same corridor. LGA airport
- If your dates flex, March (85.1% on-time) beats July (74.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.6% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.