Historical on-time performance
Newark to Greenville
594 miData through May 2026Source: US DOT · BTS
Flights on EWR–GSP arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled5.3%of scheduled flights
based on 716 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time78%Medianon timep9040 minCancel5.3%Flights716
Why flights run late
Delay causes
- Airline27%
- Weather7%
- Air traffic (NAS)20%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather63%
- Air traffic (NAS)37%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 38 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly EWR → GSP
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 877 flights
- Afternoons82% on time · p90 30 min · 612 flights
- Evenings76% on time · p90 35 min · 167 flights · limited
- Overnights67% on time · p90 65 min · 699 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 84% on time.
- Tuesdays84% on time · p90 20 min · 353 flights
- Saturdays82% on time · p90 20 min · 290 flights
- Wednesdays82% on time · p90 30 min · 347 flights
- Thursdays80% on time · p90 45 min · 352 flights
- Mondays80% on time · p90 25 min · 348 flights
- Fridays77% on time · p90 50 min · 350 flights
- Sundays76% on time · p90 40 min · 355 flights
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