Best Time to Fly DTW to CIU: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → Chippewa County International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.4% of Detroit (DTW) to Sault Ste. Marie (CIU) flights arrived on time (363 scheduled flights). That is 5.2 points below the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Thursday was the most reliable day (82% on time) and December the worst month (56%).
The cancellation rate was 6.6% (US average 1.8%).
DTW to CIU on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 72.4% | 117 min | 6.6% | 363 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to CIU
On-time arrival % by scheduled departure hour (local time), 725 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 2pm–3pm | Limited data | 2 | |
| 3pm–4pm | Limited data | 1 | |
| 5pm–6pm | 77.8% | 2.8% | 466 |
| 6pm–7pm | 69.9% | 5.2% | 251 |
| 9pm–10pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DTW to CIU
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 11 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 28 | ||
| Summer peak (Jun 15 - Aug 15) | 74.6% | -1.7 pts | 0.8% | 124 |
| All other days | 76.3% | — | 3.4% | 562 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).