Historical on-time performance
Detroit to Greenville
Flights on DTW–GSP arrive on time 75% of the time over the last 12 months.
based on 432 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.
- SkyWest AirlinesOn-time75%Medianon timep9055 minCancel0.8%Flights128
- Delta Air LinesOn-time75%Medianon timep9060 minCancel2.0%Flights304
Why flights run late
Delay causes
- Airline52%
- Weather4%
- Air traffic (NAS)10%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline57%
- Weather43%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 7 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 DTW → 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 75% to 84% on time.
- Middays84% on time · p90 40 min · 311 flights
- Mornings81% on time · p90 45 min · 145 flights · limited
- Evenings79% on time · p90 40 min · 219 flights
- Overnights76% on time · p90 40 min · 463 flights
- Afternoons75% on time · p90 45 min · 583 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 80% on time.
- Thursdays80% on time · p90 30 min · 265 flights
- Saturdays80% on time · p90 35 min · 172 flights · limited
- Fridays79% on time · p90 40 min · 268 flights
- Sundays79% on time · p90 40 min · 267 flights
- Tuesdays77% on time · p90 45 min · 238 flights
- Mondays76% on time · p90 60 min · 267 flights
- Wednesdays76% on time · p90 55 min · 244 flights
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