Historical on-time performance
Miami to Greenville
637 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–GSP arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 642 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time83%Medianon timep9025 minCancel0.3%Flights642
Why flights run late
Delay causes
- Airline26%
- Weather2%
- Air traffic (NAS)32%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MIA → GSP
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Afternoons are the most reliable time of day to fly this route — 84% on time.
- Afternoons84% on time · p90 20 min · 181 flights · limited
- Overnights77% on time · p90 40 min · 1,032 flights
- Evenings74% on time · p90 40 min · 168 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 85% on time.
- Tuesdays85% on time · p90 20 min · 205 flights
- Fridays80% on time · p90 40 min · 205 flights
- Mondays80% on time · p90 30 min · 210 flights
- Wednesdays79% on time · p90 40 min · 202 flights
- Thursdays76% on time · p90 40 min · 203 flights
- Saturdays75% on time · p90 30 min · 233 flights
- Sundays75% on time · p90 50 min · 208 flights
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