Historical on-time performance
Detroit to Iron Mountain
344 miData through Dec 2025Source: US DOT · BTS
Flights on DTW–IMT arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time77%Medianon timep9070 minCancel1.5%Flights337
Why flights run late
Delay causes
- Airline87%
- Weather10%
- Air traffic (NAS)3%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DTW → IMT
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Overnights are the most reliable time of day to fly this route — 90% on time.
- Overnights90% on time · p90 10 min · 163 flights · limited
- Middays78% on time · p90 70 min · 591 flights
- Evenings72% on time · p90 110 min · 122 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 85% on time.
- Wednesdays85% on time · p90 30 min · 131 flights · limited
- Tuesdays82% on time · p90 50 min · 131 flights · limited
- Thursdays80% on time · p90 60 min · 133 flights · limited
- Saturdays80% on time · p90 60 min · 132 flights · limited
- Mondays79% on time · p90 85 min · 132 flights · limited
- Fridays75% on time · p90 60 min · 131 flights · limited
- Sundays73% on time · p90 90 min · 132 flights · limited
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