Greer (GSP) to Newark (EWR): On-Time Performance
Data through July 2026
The biggest risk when flying GSP to EWR isn't a late arrival — it's not departing at all. 4.4% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 85% land on time, no worse than the national average of 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 4.4%
- Flights/day
- 2.1
- last 12 months
- Duration
- 2h 4m
- scheduled
- Distance
- 594 mi
Monthly on-time trend
Best time to fly from GSP to EWR
Aim for departures around 5 a.m. (97% on-time); avoid 5 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 18 min |
| Tuesdaybest | 90% | 17 min |
| Wednesday | 88% | 11 min |
| Thursday | 83% | 18 min |
| Friday | 82% | 15 min |
| Saturday | 82% | 14 min |
| Sunday | 83% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft23%
- Airline operations25%
- National airspace system50%
- Weather2%
Frequently asked questions
- How often are flights from GSP to EWR delayed?
- 15% of GSP–EWR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- What is the best time of day to fly from GSP to EWR?
- Departures around 5 a.m. have the best record (97% on-time), while departures around 5 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from GSP to EWR?
- The scheduled GSP–EWR flight time averages 2h 4m over 594 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are GSP to EWR flights cancelled?
- 4.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from GSP to EWR?
- May 2025 was the roughest month in this dataset, with only 70% of arrivals on time. The best was April 2026 at 96%. If your dates are flexible, that 26-point gap is worth planning around.
Explore related pages
More routes from GSP
Other ways to fly to Newark (EWR)
Related guides
Based on 1,515 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.