Historical on-time performance
Miami to Greenville
637 miData through May 2026Source: US DOT · BTS
Flights on MIA–GSP arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 705 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time79%Medianon timep9030 minCancel1.1%Flights705
Why flights run late
Delay causes
- Airline15%
- Weather4%
- Air traffic (NAS)32%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 8 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 MIA → 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 74% to 81% on time.
- Afternoons81% on time · p90 25 min · 315 flights
- Overnights77% on time · p90 35 min · 1,031 flights
- Evenings74% on time · p90 40 min · 184 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 84% on time.
- Tuesdays84% on time · p90 20 min · 224 flights
- Mondays81% on time · p90 25 min · 230 flights
- Wednesdays81% on time · p90 25 min · 222 flights
- Fridays78% on time · p90 40 min · 228 flights
- Saturdays76% on time · p90 30 min · 271 flights
- Thursdays76% on time · p90 35 min · 226 flights
- Sundays73% on time · p90 45 min · 229 flights
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