Historical on-time performance
Chicago to Charleston
Flights on ORD–CHS arrive on time 74% of the time over the last 12 months.
based on 1,847 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time81%Medianon timep9035 minCancel2.0%Flights445
- United AirlinesOn-time73%Medianon timep9055 minCancel1.5%Flights742
- Envoy AirOn-time70%Medianon timep9040 minCancel2.5%Flights550
- American AirlinesOn-time70%Medianon timep9055 minCancel1.8%Flights110
Why flights run late
Delay causes
- Airline25%
- Weather7%
- Air traffic (NAS)23%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline3%
- Weather69%
- Air traffic (NAS)28%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 36 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 ORD → CHS
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 64% to 85% on time.
- Middays85% on time · p90 25 min · 1,376 flights
- Mornings83% on time · p90 30 min · 1,753 flights
- Evenings71% on time · p90 50 min · 1,031 flights
- Afternoons71% on time · p90 50 min · 463 flights
- Overnights64% on time · p90 70 min · 206 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 81% on time.
- Tuesdays81% on time · p90 30 min · 616 flights
- Saturdays81% on time · p90 35 min · 691 flights
- Fridays80% on time · p90 40 min · 723 flights
- Wednesdays79% on time · p90 40 min · 641 flights
- Thursdays79% on time · p90 40 min · 715 flights
- Mondays79% on time · p90 35 min · 720 flights
- Sundays76% on time · p90 40 min · 725 flights
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