Route · GSP → EWR · 2020–2025 BTS data
Greer to Newark
The GSP–EWR corridor (Greer, SC → Newark, NJ) runs ahead of the national average, served by 4 carriers across roughly 594 miles.
Data updated 2026-06-13
- 84.8%
- On-time
- +5.8 pts
- vs US avg
- 87 min
- Delay when late
- 3,273
- Flights
Cancelled
2.9%
Best Month
Dec 2023 97%
Worst Month
May 2025 73%
Distance
594 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 60 | 7 | 2 | 0 | YX |
| Oct 2025 | 70 | 15 | 0 | 0 | YX |
| Sep 2025 | 86 | 11 | 1 | 0 | YX |
| Aug 2025 | 82 | 16 | 1 | 0 | YX |
| Jul 2025 | 86 | 21 | 11 | 0 | YX |
| Jun 2025 | 64 | 6 | 3 | 0 | YX |
| May 2025 | 52 | 14 | 2 | 1 | YX |
| Apr 2025 | 60 | 8 | 0 | 1 | UA,YX |
| Dec 2024 | 58 | 7 | 0 | 0 | YX |
| Nov 2024 | 59 | 7 | 0 | 0 | YX |
| Oct 2024 | 84 | 9 | 0 | 0 | YX |
| Sep 2024 | 89 | 8 | 2 | 0 | YX |
| Aug 2024 | 88 | 15 | 9 | 0 | YX |
| Jul 2024 | 84 | 20 | 4 | 0 | YX |
| Jun 2024 | 85 | 13 | 7 | 0 | YX |
| May 2024 | 91 | 14 | 0 | 0 | YX |
| Apr 2024 | 90 | 10 | 1 | 1 | YX |
| Mar 2024 | 68 | 3 | 0 | 0 | YX |
| Feb 2024 | 84 | 3 | 4 | 0 | YX |
| Jan 2024 | 84 | 8 | 2 | 1 | YX |
| Dec 2023 | 68 | 2 | 0 | 0 | UA,YX |
| Nov 2023 | 65 | 2 | 0 | 0 | YX,UA |
| Oct 2023 | 93 | 4 | 0 | 0 | YX,UA |
| Sep 2023 | 89 | 15 | 4 | 0 | UA,YX |
Cancellation Rate
2.9%
53 of 1,839 flights
Diversion Rate
0.2%
4 of 1,839 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.
Origin airport →EWR - Newark
Full on-time, delay-cause, and seasonal performance for Newark, NJ.
Destination airport →Compare the two airports
See GSP and EWR side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to GSP–EWR.
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What the Data Says About GSP to EWR
Bureau of Transportation Statistics records show Greer to Newark (GSP to EWR) running a 84.8% on-time rate over 3,273 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 87.4 minutes. The 594-mile corridor is served by 4 carriers, and over the last 24 months 2.9% of 1,839 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 97% on-time, while May 2025 came in at just 73% - a 24-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.