Chippewa County International Airport (CIU): Delays & On-Time Performance
Data through May 2026
Chippewa County International Airport (CIU) in Sault Ste. Marie, MI is a middle-of-the-pack performer: 80% of departures are on time, within a few points of the national 78%. It hosts 1 airlines flying 2 departures a day to 3 destinations, with cancellations at 3.1%.
- Departures on-time
- 80%
- left <15 min late
- Avg dep delay
- 25 min
- Arrivals on-time
- 76%
- Cancelled
- 3.1%
- Destinations
- 3
- nonstop
- Airlines
- 1
Monthly on-time trend
Best time of day to depart from CIU
Busiest routes from CIU
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| CIU → DTW | 363 | 79% | 22 min |
| CIU → MSP | 357 | 80% | 29 min |
| CIU → ORD | 127 | 54% | 30 min |
Frequently asked questions
- How often are flights delayed at CIU?
- 20% of departures from Chippewa County International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 25 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from CIU?
- Flights scheduled around 6 a.m. depart on time 85% of the time at CIU, versus 73% around 4 p.m.. Booking before noon is the usual rule of thumb here.
- How often are flights cancelled at CIU?
- 3.1% of scheduled departures from CIU were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Based on 1,590 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.