Chippewa County International Airport (CIU) delays & on-time performance
Sault Ste. Marie, Michigan · 3 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CIU right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
79%
arrived < 15 min late
Cancelled
6.0%
49 flights
Avg arrival delay
26 min
118 min when late
Departed on time
80%
avg taxi-out 23 min
Figures cover 822 departures from CIU; on-time is measured at arrival. Arrivals into CIU were on time 76% of the time.
Key facts
- Flights departing Chippewa County International Airport (CIU) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 6% were cancelled, and 12% arrived an hour or more late.
- Departures scheduled around 1pm did best (92% on time); around 3pm did worst (71%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (56%).
Most delayed routes from CIU
Lowest on-time arrival rates among regularly flown routes.
- DTW · Detroit84%363 flts
Most reliable routes from CIU
Highest on-time arrival rates among regularly flown routes.
- DTW · Detroit84%363 flts
Best airline at CIU
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 79% | 6.0% | 26 min | 3 | 822 |
Best time to fly out of CIU
On-time arrival rate by scheduled departure hour (local time).
- 6am82%147 flts
- 7am77%208 flts
- 1pm92%61 flts
- 3pm71%227 flts
- 4pm82%176 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)56%
- Extreme weather32%
- Air traffic control & airport congestion7%
- Late-arriving aircraft6%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.