Route · DTW → CIU · 2020–2025 BTS data
Detroit to Sault Ste. Marie
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DTW to CIU (Detroit to Sault Ste. Marie) ranks #4110 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.7%
- On-time
- +5.7 pts
- vs US avg
- 124 min
- Delay when late
- 1,561
- Flights
- #4110 of 4927
- Corpus placement
Cancelled
1.4%
Best Month
N/A
Worst Month
N/A
Distance
284 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 7 | 3 | 0 | OO |
| Oct 2025 | 31 | 4 | 0 | 0 | OO |
| Sep 2025 | 30 | 6 | 0 | 0 | OO |
| Aug 2025 | 31 | 6 | 0 | 0 | OO |
| Jul 2025 | 31 | 7 | 0 | 1 | OO |
| Jun 2025 | 30 | 3 | 0 | 0 | OO |
| May 2025 | 31 | 6 | 0 | 0 | OO |
| Apr 2025 | 30 | 4 | 1 | 0 | OO |
| Mar 2025 | 31 | 6 | 0 | 0 | OO |
| Jan 2025 | 30 | 8 | 0 | 0 | OO |
| Dec 2024 | 30 | 18 | 1 | 0 | OO |
| Oct 2024 | 31 | 7 | 0 | 0 | OO |
| Sep 2024 | 30 | 2 | 0 | 0 | OO |
| Aug 2024 | 31 | 9 | 0 | 0 | OO |
| Jul 2024 | 31 | 7 | 0 | 0 | OO |
| Jun 2024 | 30 | 4 | 0 | 0 | OO |
| May 2024 | 31 | 5 | 0 | 0 | OO |
| Apr 2024 | 30 | 4 | 0 | 0 | OO |
| Mar 2024 | 31 | 5 | 0 | 1 | OO |
| Jan 2024 | 31 | 7 | 5 | 1 | OO |
| Oct 2023 | 31 | 5 | 0 | 0 | OO |
| Sep 2023 | 30 | 5 | 0 | 2 | OO |
| Aug 2023 | 31 | 7 | 0 | 1 | OO |
| Jul 2023 | 31 | 3 | 0 | 0 | OO |
DTW–CIU seasonal on-time pattern
Best: April (88.7%) · weakest: December (65.0%)
Strongest calendar month
April
88.7% on-time · ~30 flights/mo
Busiest calendar month
January
~31 flights/mo avg
Weakest calendar month
December
65.0% on-time · ~31 flights/mo
Cancellation Rate
1.4%
10 of 735 flights
Diversion Rate
0.8%
6 of 735 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
DTW on-time profileCIU - Sault Ste. Marie
Full on-time, delay-cause, and seasonal performance for Sault Ste. Marie, MI.
CIU on-time profileCompare the two airports
See DTW and CIU side by side on delays, cancellations, and reliability.
Compare DTW vs CIUOrigin-hub reliability standing
Mid-pack among DTW departures
From DTW, this corridor sits with 60 other 75–85% on-time routes out of 94 tracked departures, not the hub's reliability leaders (34 at ≥85%) and not the softest ( 0 below 75%). Destination: Sault Ste. Marie · fleet on-time rank #1327 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DTW–CIU.
Routes with a similar on-time rate
What the Data Says About DTW to CIU
Bureau of Transportation Statistics records show Detroit to Sault Ste. Marie (DTW to CIU) running a 84.7% on-time rate over 1,561 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 124.0 minutes. The 284-mile corridor is served by 1 carrier, and over the last 24 months 1.4% of 735 flights were cancelled, 0.8% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, DTW–CIU peaks in April at 88.7% on-time while January carries the heaviest traffic (~31 flights per month) ; the softest month is December at 65.0%, a 23.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DTW to CIU rank among US routes by traffic? ▼
How often are flights delayed from DTW to CIU? ▼
What is the cancellation rate for DTW to CIU? ▼
How far is the flight from DTW to CIU? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using DTW–CIU data
DTW–CIU runs 5.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare DTW and CIU airport profiles: delay causes and top routes differ even on the same corridor. DTW airport
- If your dates flex, April (88.7% on-time) beats December (65.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.7% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.