Historical on-time performance
New York to Greenville
610 miData through May 2026Source: US DOT · BTS
Flights on LGA–GSP arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled8.0%of scheduled flights
based on 942 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time70%Medianon timep9055 minCancel8.0%Flights942
Why flights run late
Delay causes
- Airline17%
- Weather2%
- Air traffic (NAS)24%
- Late aircraft58%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline11%
- Weather52%
- Air traffic (NAS)37%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 75 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 LGA → GSP
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 68% to 86% on time.
- Middays86% on time · p90 20 min · 569 flights
- Mornings85% on time · p90 20 min · 989 flights
- Afternoons77% on time · p90 50 min · 1,258 flights
- Evenings69% on time · p90 70 min · 609 flights
- Overnights68% on time · p90 60 min · 518 flights
Best day of week
Saturdays are the most reliable day to fly this route — 85% on time.
- Saturdays85% on time · p90 20 min · 241 flights
- Tuesdays79% on time · p90 40 min · 629 flights
- Wednesdays79% on time · p90 35 min · 630 flights
- Thursdays78% on time · p90 45 min · 621 flights
- Mondays76% on time · p90 40 min · 628 flights
- Sundays76% on time · p90 45 min · 572 flights
- Fridays75% on time · p90 55 min · 622 flights
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