Newark (EWR) to Greer (GSP): On-Time Performance
Data through May 2026
The biggest risk when flying EWR to GSP isn't a late arrival — it's not departing at all. 5.6% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 83% land on time, no worse than the national average of 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 5.6%
- Flights/day
- 2.0
- last 12 months
- Duration
- 2h 11m
- scheduled
- Distance
- 594 mi
Monthly on-time trend
Best time to fly from EWR to GSP
Aim for departures around 6 a.m. (99% on-time); avoid 7 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 11 min |
| Tuesdaybest | 86% | 12 min |
| Wednesday | 84% | 13 min |
| Thursday | 79% | 18 min |
| Friday | 80% | 15 min |
| Saturday | 84% | 11 min |
| Sunday | 81% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations26%
- National airspace system22%
- Weather7%
Frequently asked questions
- How often are flights from EWR to GSP delayed?
- 18% of EWR–GSP flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 14 minutes.
- What is the best time of day to fly from EWR to GSP?
- Departures around 6 a.m. have the best record (99% on-time), while departures around 7 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EWR to GSP?
- The scheduled EWR–GSP flight time averages 2h 11m over 594 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are EWR to GSP flights cancelled?
- 5.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from EWR to GSP?
- July 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was April 2026 at 100%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 1,429 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.