Sault Ste. Marie (CIU) to Chicago (ORD): On-Time Performance
Data through July 2026
Sault Ste. Marie (CIU) to Chicago (ORD) is a thinner route than most in this dataset — 111 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 55% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 3.2% of scheduled flights never departed.
- On-time
- 55%
- arrived <15 min late
- Avg delay
- 32 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 0.30
- last 12 months
- Duration
- 1h 34m
- scheduled
- Distance
- 341 mi
Monthly on-time trend
Best time to fly from CIU to ORD
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 59% | 38 min |
| Tuesday | 47% | 44 min |
| Wednesday | 39% | 32 min |
| Thursday | 52% | 18 min |
| Friday | 55% | 34 min |
| Saturday | 60% | 38 min |
| Sundaybest | 63% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations37%
- National airspace system21%
- Weather5%
Frequently asked questions
- How often are flights from CIU to ORD delayed?
- 45% of CIU–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 32 minutes.
- How long is the flight from CIU to ORD?
- The scheduled CIU–ORD flight time averages 1h 34m over 341 miles. Actual arrival times vary — flights on this route land 15+ minutes late 45% of the time.
- How often are CIU to ORD flights cancelled?
- 3.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
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Based on 189 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.