EWR to GSP flight delays & on-time performance
Nonstop flights from Newark Liberty International Airport to Greenville-Spartanburg International Airport · 594 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EWR or GSP right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Newark (EWR) to Greer (GSP) arrived on time 86% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 5.3% were cancelled, and 6% arrived an hour or more late.
- Republic Airways is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (100% on time); around 9pm did worst (75%).
- Monday was the most reliable day to fly (88% on time) and Thursday the least (81%).
- The largest source of delay minutes was late-arriving aircraft (55%).
Which airline is most on time from EWR to GSP?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 86% | 5.3% | 10 min | 6.0% | 776 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am100%62 flights
- 8am86%136 flights
- 9am96%112 flights
- 2pm85%60 flights
- 3pm91%43 flights
- 4pm86%72 flights
- 8pm87%50 flights
- 9pm75%241 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday88%6.2% cancelled
- Tuesday87%7.0% cancelled
- Wednesday85%2.7% cancelled
- Thursday81%1.7% cancelled
- Friday88%4.3% cancelled
- Saturday87%9.6% cancelled
- Sunday85%6.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft55%
- Air traffic control & airport congestion21%
- Airline (crew, maintenance, cleaning, fueling)16%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather85%
- Air traffic control & airport congestion15%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
EWR to GSP: common questions
- How often are EWR to GSP flights on time?
- 86% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Newark to Greer cancelled?
- 5.3% of scheduled flights were cancelled (41 of 776).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 67 min behind schedule on average, and 6.0% of flights were an hour or more late.
- How long is taxi time at EWR?
- Flights on this route spent 25 min taxiing from the gate to takeoff on average.
Related routes
Return trip: GSP to EWR — 86% on time
More flights from Newark
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EWR → GSP, nonstop flights by US airlines that report to the DOT. How we calculate this.