Historical on-time performance
Sault Ste Marie to Chicago
341 miData through May 2026Source: US DOT · BTS
Flights on CIU–ORD arrive on time 46% of the time over the last 12 months.
On-time rate46%arrived within 15 min
p90 delay105 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 92 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time46%Median15 minp90105 minCancel2.2%Flights92
Why flights run late
Delay causes
- Airline43%
- Weather0%
- Air traffic (NAS)28%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 2 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
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