FlightRecord

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

Monthly on-time percentage for DTW to CIU flights50%75%100%June 2024: 87% on-time (30 flights)87Jun 2024July 2024: 77% on-time (31 flights)77August 2024: 71% on-time (31 flights)71September 2024: 93% on-time (30 flights)93Sep 2024October 2024: 77% on-time (31 flights)77November 2024: 86% on-time (29 flights)86December 2024: 38% on-time (30 flights)38Dec 2024January 2025: 73% on-time (30 flights)73February 2025: 70% on-time (28 flights)70March 2025: 81% on-time (31 flights)81Mar 2025April 2025: 86% on-time (30 flights)86May 2025: 81% on-time (31 flights)81June 2025: 90% on-time (30 flights)90Jun 2025July 2025: 74% on-time (31 flights)74August 2025: 81% on-time (31 flights)81September 2025: 80% on-time (30 flights)80Sep 2025October 2025: 87% on-time (31 flights)87November 2025: 75% on-time (28 flights)75December 2025: 75% on-time (31 flights)75Dec 2025January 2026: 54% on-time (31 flights)54February 2026: 46% on-time (28 flights)46March 2026: 63% on-time (31 flights)63Mar 2026April 2026: 70% on-time (30 flights)70May 2026: 73% on-time (31 flights)73

Best time to fly from DTW to CIU

By day of week

DayOn-timeAvg delay
Monday69%30 min
Tuesday79%26 min
Wednesday81%21 min
Thursdaybest82%20 min
Friday68%31 min
Saturday80%13 min
Sunday67%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.

Based on 725 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.