Detroit (DTW) to Sault Ste. Marie (CIU): On-Time Performance
Data through May 2026
Detroit (DTW) to Sault Ste. Marie (CIU) is a thinner route than most in this dataset — 363 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 75% arrived on time. Cancellations are the bigger caveat: 3.6% of scheduled flights never departed.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 25 min
- completed flights
- Cancelled
- 3.6%
- Flights/day
- 0.99
- last 12 months
- Duration
- 1h 20m
- scheduled
- Distance
- 285 mi
Monthly on-time trend
Best time to fly from DTW to CIU
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 69% | 30 min |
| Tuesday | 79% | 26 min |
| Wednesday | 81% | 21 min |
| Thursdaybest | 82% | 20 min |
| Friday | 68% | 31 min |
| Saturday | 80% | 13 min |
| Sunday | 67% | 32 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations77%
- National airspace system6%
- Weather17%
Frequently asked questions
- How often are flights from DTW to CIU delayed?
- 25% of DTW–CIU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 25 minutes.
- How long is the flight from DTW to CIU?
- The scheduled DTW–CIU flight time averages 1h 20m over 285 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are DTW to CIU flights cancelled?
- 3.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from DTW to CIU?
- December 2024 was the roughest month in this dataset, with only 38% of arrivals on time. The best was September 2024 at 93%. If your dates are flexible, that 55-point gap is worth planning around.
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Based on 725 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.