Historical on-time performance
Detroit to Sault Ste Marie
284 miData through May 2026Source: US DOT · BTS
Flights on DTW–CIU arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay80 min1 in 10 flights is worse (tail risk)
Cancelled6.2%of scheduled flights
based on 307 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time71%Medianon timep9080 minCancel6.2%Flights307
Why flights run late
Delay causes
- Airline80%
- Weather15%
- Air traffic (NAS)5%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 19 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DTW → CIU
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Overnights are the most reliable time of day to fly this route — 78% on time.
- Overnights78% on time · p90 50 min · 325 flights
- Evenings73% on time · p90 75 min · 729 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 80% on time.
- Tuesdays80% on time · p90 40 min · 156 flights · limited
- Thursdays79% on time · p90 70 min · 154 flights · limited
- Wednesdays77% on time · p90 70 min · 154 flights · limited
- Saturdays77% on time · p90 70 min · 157 flights · limited
- Mondays72% on time · p90 85 min · 155 flights · limited
- Fridays70% on time · p90 100 min · 156 flights · limited
- Sundays69% on time · p90 75 min · 156 flights · limited
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