PlainFlights

Route · LGA → GSP · 2020–2025 BTS data

New York to Greer

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LGA to GSP (New York to Greer) ranks #2327 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.3%
On-time
+3.3 pts
vs US avg
77 min
Delay when late
5,399
Flights
#2327 of 4927
Corpus placement

Cancelled

4.1%

Best Month

Sep 2024 94%

Worst Month

Dec 2025 60%

Distance

610 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 72 29 5 0 YX
Nov 2025 81 23 6 0 YX
Oct 2025 84 22 3 0 YX
Sep 2025 78 8 1 0 YX
Aug 2025 78 11 4 0 YX
Jul 2025 80 15 18 0 YX
Jun 2025 77 25 10 0 YX
May 2025 76 20 4 0 YX
Apr 2025 82 12 0 0 YX
Mar 2025 83 15 2 0 YX
Feb 2025 78 25 6 0 YX
Jan 2025 78 24 3 0 YX
Dec 2024 133 33 0 0 9E,YX
Nov 2024 152 12 0 0 9E,YX
Oct 2024 143 14 0 1 YX,9E
Sep 2024 137 8 2 0 YX,9E
Aug 2024 140 31 10 0 YX,9E
Jul 2024 142 48 10 0 9E,YX
Jun 2024 134 29 6 0 9E,YX
May 2024 138 16 2 0 9E,YX
Apr 2024 134 13 3 0 9E,YX
Mar 2024 135 20 0 0 9E,YX
Feb 2024 130 15 3 0 9E,YX
Jan 2024 126 24 7 3 9E,YX

LGA–GSP seasonal on-time pattern

Best: September (86.7%) · weakest: July (74.7%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81%

Strongest calendar month

September

86.7% on-time · ~90 flights/mo

Busiest calendar month

November

~107 flights/mo avg

Weakest calendar month

July

74.7% on-time · ~93 flights/mo

Cancellation Rate

4.1%

105 of 2,591 flights

Diversion Rate

0.2%

4 of 2,591 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 profile

GSP - Greer

Full on-time, delay-cause, and seasonal performance for Greer, SC.

GSP on-time profile

Compare the two airports

See LGA and GSP side by side on delays, cancellations, and reliability.

Compare LGA vs GSP

Origin-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: Greer · fleet on-time rank #2234 of 4927.

What the Data Says About LGA to GSP

Bureau of Transportation Statistics records show New York to Greer (LGA to GSP) running a 82.3% on-time rate over 5,399 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 77.4 minutes. The 610-mile corridor is served by 5 carriers, and over the last 24 months 4.1% of 2,591 flights were cancelled, 0.2% diverted.

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 60% - a 34-point swing worth factoring into travel timing.

On the multi-year calendar, LGA–GSP peaks in September at 86.7% on-time while November carries the heaviest traffic (~107 flights per month) ; the softest month is July at 74.7%, a 12.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LGA to GSP rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LGA to GSP ranks #2327 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from LGA to GSP? ▼
Flights from New York to Greer have a 82.3% on-time rate based on 5,399 flights. The average delay is 77.4 minutes. The best recent month was Sep 2024 with 94% on-time.
What is the cancellation rate for LGA to GSP? ▼
Over the last 24 months, 4.1% of flights on this route were cancelled (105 of 2,591 flights) and 0.2% were diverted.
How far is the flight from LGA to GSP? ▼
The flight distance from New York (LGA) to Greer (GSP) is approximately 610 miles. This route is served by 5 carriers.
When is the best time to fly from LGA to GSP? ▼
The best recent month for on-time performance was Sep 2024 (94% on-time). The worst was Dec 2025 (60% on-time). Consider booking during months with historically better performance.

Airports on this route

LGA Airport

New York
GSP Airport

Greer
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–GSP data

LGA–GSP runs 3.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LGA and GSP airport profiles: delay causes and top routes differ even on the same corridor. LGA airport
  • If your dates flex, September (86.7% on-time) beats July (74.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.3% 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.

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

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.