Historical on-time performance
Denver to Greenville
1,278 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–GSP arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 305 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time84%Medianon timep9020 minCancel0.0%Flights183
- SkyWest AirlinesOn-time82%Medianon timep9020 minCancel0.8%Flights122
Why flights run late
Delay causes
- Airline43%
- Weather1%
- Air traffic (NAS)26%
- Late aircraft30%
- 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 DEN → GSP
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 65% to 83% on time.
- Middays83% on time · p90 20 min · 827 flights
- Mornings83% on time · p90 30 min · 220 flights
- Evenings65% on time · p90 60 min · 84 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 87% on time.
- Mondays87% on time · p90 20 min · 157 flights · limited
- Tuesdays87% on time · p90 20 min · 157 flights · limited
- Wednesdays82% on time · p90 30 min · 157 flights · limited
- Sundays82% on time · p90 20 min · 175 flights · limited
- Fridays81% on time · p90 30 min · 156 flights · limited
- Thursdays79% on time · p90 30 min · 155 flights · limited
- Saturdays76% on time · p90 35 min · 174 flights · limited
Advertisement
Keep exploring