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WanderNerd

Route Reliability

CIU → Chicago

CIUORD · 341 miles · CIU Airport to Chicago O'Hare International Airport

37
Bring Snacks
WanderNerd Reliability Score
55%
Arrive within 15 minutes
30 min
Average arrival delay
1.6%
Cancelled
127
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 55% of the time across 127 flights. No comparison to make.

What the data says

Wednesdays have been rough.

CIU–ORD flights arrived on time 68% of the time on Sundays and just 41% on Wednesdays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon53%(17 flights)
  • Tue53%(17 flights)
  • Wed41%(17 flights)
  • Thu53%(17 flights)
  • Fri47%(17 flights)
  • Sat67%(18 flights)
  • Sun68%(19 flights)
On-time trend by month
68%
Sep

Jun 52% → Sep 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202537%30
August 202561%28
September 202568%28

Based on 127 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.