Historical on-time performance
Charleston to Chicago
Flights on CHS–ORD arrive on time 75% of the time over the last 12 months.
based on 1,816 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.
- American AirlinesOn-time84%Medianon timep9020 minCancel1.8%Flights109
- Envoy AirOn-time76%Medianon timep9050 minCancel2.6%Flights548
- United AirlinesOn-time76%Medianon timep9040 minCancel2.0%Flights741
- Republic AirwaysOn-time69%Medianon timep9045 minCancel2.4%Flights418
Why flights run late
Delay causes
- Airline27%
- Weather3%
- Air traffic (NAS)41%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline15%
- Weather61%
- Air traffic (NAS)24%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 41 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 CHS → 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 15 min · 1,258 flights
- Middays83% on time · p90 35 min · 1,913 flights
- Afternoons75% on time · p90 35 min · 1,154 flights
- Evenings62% on time · p90 70 min · 500 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 83% on time.
- Tuesdays83% on time · p90 25 min · 624 flights
- Saturdays83% on time · p90 30 min · 703 flights
- Mondays82% on time · p90 30 min · 723 flights
- Thursdays82% on time · p90 25 min · 705 flights
- Wednesdays79% on time · p90 30 min · 640 flights
- Fridays76% on time · p90 40 min · 724 flights
- Sundays75% on time · p90 45 min · 714 flights
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