Historical on-time performance
Greenville to Miami
637 miData through Dec 2025Source: US DOT · BTS
Flights on GSP–MIA arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 641 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time84%Medianon timep9020 minCancel0.3%Flights641
Why flights run late
Delay causes
- Airline39%
- Weather3%
- Air traffic (NAS)27%
- Late aircraft31%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly GSP → MIA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 59% to 90% on time.
- Mornings90% on time · p90 10 min · 1,041 flights
- Afternoons87% on time · p90 20 min · 86 flights · limited
- Evenings73% on time · p90 65 min · 219 flights
- Overnights59% on time · p90 50 min · 74 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 90% on time.
- Tuesdays90% on time · p90 10 min · 206 flights
- Thursdays86% on time · p90 15 min · 203 flights
- Fridays85% on time · p90 20 min · 205 flights
- Mondays84% on time · p90 20 min · 210 flights
- Wednesdays84% on time · p90 20 min · 202 flights
- Sundays84% on time · p90 20 min · 207 flights
- Saturdays83% on time · p90 25 min · 233 flights
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