Historical on-time performance
Chicago to Wilmington
Flights on ORD–ILM arrive on time 77% of the time over the last 12 months.
based on 336 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Envoy AirOn-time81%Medianon timep9035 minCancel1.7%Flights241
- SkyWest AirlinesOn-time74%Medianon timep9060 minCancel0.0%Flights31
- American AirlinesOn-time64%Medianon timep9085 minCancel3.1%Flights64
Why flights run late
Delay causes
- Airline23%
- Weather6%
- Air traffic (NAS)20%
- Late aircraft52%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline17%
- Weather50%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 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 → ILM
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 — 85% on time.
- Mornings85% on time · p90 25 min · 371 flights
- Middays77% on time · p90 40 min · 287 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 82% on time.
- Wednesdays82% on time · p90 25 min · 101 flights · limited
- Fridays82% on time · p90 50 min · 121 flights · limited
- Mondays79% on time · p90 40 min · 110 flights · limited
- Thursdays76% on time · p90 35 min · 122 flights · limited
- Sundays76% on time · p90 60 min · 131 flights · limited
- Saturdays72% on time · p90 55 min · 155 flights · limited
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