Historical on-time performance
Greensboro to Chicago
590 miData through May 2026Source: US DOT · BTS
Flights on GSO–ORD arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled2.9%of scheduled flights
based on 1,493 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time88%Medianon timep9010 minCancel1.9%Flights52
- Envoy AirbestOn-time79%Medianon timep9040 minCancel2.3%Flights841
- SkyWest AirlinesOn-time69%Medianon timep9050 minCancel3.8%Flights600
Why flights run late
Delay causes
- Airline24%
- Weather6%
- Air traffic (NAS)31%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline2%
- Weather74%
- Air traffic (NAS)23%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 43 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 GSO → ORD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 20 min · 1,867 flights
- Middays81% on time · p90 40 min · 576 flights
- Overnights65% on time · p90 55 min · 162 flights · limited
- Evenings61% on time · p90 65 min · 1,229 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 80% on time.
- Tuesdays80% on time · p90 35 min · 503 flights
- Wednesdays78% on time · p90 40 min · 534 flights
- Mondays77% on time · p90 35 min · 577 flights
- Thursdays77% on time · p90 30 min · 569 flights
- Saturdays76% on time · p90 40 min · 509 flights
- Sundays74% on time · p90 50 min · 588 flights
- Fridays74% on time · p90 45 min · 573 flights
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