Historical on-time performance
Greenville to Detroit
Flights on GSP–DTW arrive on time 86% of the time over the last 12 months.
based on 400 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Delta Air LinesOn-time90%Medianon timep90on timeCancel2.6%Flights272
- SkyWest AirlinesOn-time77%Medianon timep9070 minCancel0.8%Flights128
Why flights run late
Delay causes
- Airline76%
- Weather13%
- Air traffic (NAS)7%
- Late aircraft4%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather38%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Airline. 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 GSP → DTW
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 72% to 93% on time.
- Mornings93% on time · p90 on time · 811 flights
- Afternoons90% on time · p90 10 min · 184 flights · limited
- Middays84% on time · p90 45 min · 346 flights
- Evenings72% on time · p90 90 min · 379 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 92% on time.
- Saturdays92% on time · p90 on time · 176 flights · limited
- Wednesdays87% on time · p90 25 min · 243 flights
- Thursdays87% on time · p90 15 min · 266 flights
- Tuesdays87% on time · p90 25 min · 239 flights
- Fridays85% on time · p90 30 min · 267 flights
- Sundays85% on time · p90 35 min · 262 flights
- Mondays81% on time · p90 65 min · 267 flights
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