Historical on-time performance
Sault Ste Marie to Detroit
284 miData through May 2026Source: US DOT · BTS
Flights on CIU–DTW arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled5.5%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-time78%Medianon timep9060 minCancel5.5%Flights307
Why flights run late
Delay causes
- Airline52%
- Weather40%
- Air traffic (NAS)8%
- 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 17 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 CIU → DTW
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 80% on time.
- Middays80% on time · p90 80 min · 588 flights
- Afternoons74% on time · p90 80 min · 437 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 85% on time.
- Wednesdays85% on time · p90 15 min · 154 flights · limited
- Thursdays82% on time · p90 65 min · 154 flights · limited
- Tuesdays80% on time · p90 50 min · 156 flights · limited
- Mondays77% on time · p90 60 min · 155 flights · limited
- Fridays76% on time · p90 95 min · 156 flights · limited
- Sundays74% on time · p90 150 min · 156 flights · limited
- Saturdays72% on time · p90 70 min · 156 flights · limited
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