Historical on-time performance
Greenville to Chicago
Flights on GSP–ORD arrive on time 73% of the time over the last 12 months.
based on 1,566 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time87%Medianon timep9015 minCancel2.3%Flights305
- PSA AirlinesOn-time80%Medianon timep9025 minCancel2.4%Flights123
- SkyWest AirlinesOn-time69%Medianon timep9070 minCancel5.2%Flights364
- Envoy AirOn-time68%Medianon timep9055 minCancel3.2%Flights743
- American AirlinesOn-time68%Medianon timep9075 minCancel9.7%Flights31
Why flights run late
Delay causes
- Airline28%
- Weather9%
- Air traffic (NAS)28%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather68%
- Air traffic (NAS)32%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 56 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 → ORD
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 56% to 85% on time.
- Afternoons85% on time · p90 20 min · 267 flights
- Mornings85% on time · p90 20 min · 2,065 flights
- Middays82% on time · p90 30 min · 886 flights
- Overnights61% on time · p90 70 min · 178 flights · limited
- Evenings56% on time · p90 70 min · 941 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 82% on time.
- Tuesdays82% on time · p90 25 min · 581 flights
- Wednesdays79% on time · p90 40 min · 608 flights
- Thursdays77% on time · p90 35 min · 641 flights
- Mondays77% on time · p90 40 min · 665 flights
- Sundays76% on time · p90 45 min · 628 flights
- Saturdays76% on time · p90 40 min · 564 flights
- Fridays74% on time · p90 40 min · 650 flights
Keep exploring