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Route · GSP → CLT · 2020–2025 BTS data

Greer to Charlotte

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), GSP to CLT (Greer to Charlotte) ranks #634 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.2%
On-time
+3.2 pts
vs US avg
78 min
Delay when late
14,768
Flights
#634 of 4927
Corpus placement

Cancelled

1.4%

Best Month

Sep 2025 96%

Worst Month

May 2024 67%

Distance

75 mi

Carriers

10

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 136 31 1 0 OH,AA
Nov 2025 154 19 1 0 MQ,OH,AA
Oct 2025 106 14 0 0 AA,OH
Sep 2025 99 4 0 0 OH,AA
Aug 2025 119 18 1 0 AA,OH
Jul 2025 141 43 0 0 AA,OH
Jun 2025 149 43 3 0 AA,OH,MQ
May 2025 263 61 7 0 AA,OH,MQ
Apr 2025 241 44 2 0 MQ,OH,AA
Mar 2025 275 61 5 0 AA,OH
Feb 2025 258 50 9 0 AA,OH,MQ
Jan 2025 263 27 11 0 AA,OH,MQ
Dec 2024 259 65 3 0 AA,MQ,OH
Nov 2024 261 64 0 0 MQ,OH,AA
Oct 2024 292 82 0 0 MQ,AA,OH
Sep 2024 271 72 5 0 OH,AA
Aug 2024 271 66 3 0 AA,OH
Jul 2024 296 97 13 1 AA,MQ,OH
Jun 2024 264 39 2 0 AA,MQ,OH
May 2024 270 89 4 0 AA,MQ,OH
Apr 2024 260 60 1 0 AA,MQ,OH
Mar 2024 266 54 0 0 MQ,OH
Feb 2024 246 35 0 0 AA,MQ,OH
Jan 2024 256 64 4 0 AA,MQ,OH

GSP–CLT seasonal on-time pattern

Best: April (86.4%) · weakest: July (74.8%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81.2%

Strongest calendar month

April

86.4% on-time · ~212 flights/mo

Busiest calendar month

March

~239 flights/mo avg

Weakest calendar month

July

74.8% on-time · ~193 flights/mo

Cancellation Rate

1.4%

75 of 5,416 flights

Diversion Rate

0.0%

1 of 5,416 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

GSP - Greer

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

GSP on-time profile

CLT - Charlotte

Full on-time, delay-cause, and seasonal performance for Charlotte, NC.

CLT on-time profile

Compare the two airports

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

Compare GSP vs CLT

Origin-hub reliability standing

Mid-pack among GSP departures

From GSP, this corridor sits with 5 other 75–85% on-time routes out of 14 tracked departures, not the hub's reliability leaders (9 at ≥85%) and not the softest ( 0 below 75%). Destination: Charlotte · fleet on-time rank #2265 of 4927.

What the Data Says About GSP to CLT

Bureau of Transportation Statistics records show Greer to Charlotte (GSP to CLT) running a 82.2% on-time rate over 14,768 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 77.6 minutes. The 75-mile corridor is served by 10 carriers, and over the last 24 months 1.4% of 5,416 flights were cancelled, 0.0% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 96% on-time, while May 2024 came in at just 67% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, GSP–CLT peaks in April at 86.4% on-time while March carries the heaviest traffic (~239 flights per month) ; the softest month is July at 74.8%, a 11.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does GSP to CLT rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, GSP to CLT ranks #634 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 GSP to CLT? ▼
Flights from Greer to Charlotte have a 82.2% on-time rate based on 14,768 flights. The average delay is 77.6 minutes. The best recent month was Sep 2025 with 96% on-time.
What is the cancellation rate for GSP to CLT? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (75 of 5,416 flights) and 0.0% were diverted.
How far is the flight from GSP to CLT? ▼
The flight distance from Greer (GSP) to Charlotte (CLT) is approximately 75 miles. This route is served by 10 carriers.
When is the best time to fly from GSP to CLT? ▼
The best recent month for on-time performance was Sep 2025 (96% on-time). The worst was May 2024 (67% on-time). Consider booking during months with historically better performance.

Airports on this route

GSP Airport

Greer
CLT Airport

Charlotte
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 GSP–CLT data

GSP–CLT runs 3.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare GSP and CLT airport profiles: delay causes and top routes differ even on the same corridor. GSP airport
  • If your dates flex, April (86.4% on-time) beats July (74.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.2% 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.