Historical on-time performance
Green Bay to Detroit
Flights on GRB–DTW arrive on time 78% of the time over the last 12 months.
based on 626 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Delta Air LinesOn-time90%Medianon timep90on timeCancel0.0%Flights30
- SkyWest AirlinesOn-time77%Medianon timep9085 minCancel2.3%Flights596
Why flights run late
Delay causes
- Airline71%
- Weather20%
- Air traffic (NAS)7%
- Late aircraft2%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline7%
- Weather57%
- Air traffic (NAS)36%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 14 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 GRB → DTW
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 968 flights
- Evenings81% on time · p90 50 min · 736 flights
- Middays81% on time · p90 50 min · 901 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 85% on time.
- Wednesdays85% on time · p90 25 min · 378 flights
- Mondays84% on time · p90 30 min · 409 flights
- Saturdays84% on time · p90 45 min · 326 flights
- Tuesdays84% on time · p90 45 min · 373 flights
- Fridays84% on time · p90 35 min · 406 flights
- Thursdays83% on time · p90 45 min · 405 flights
- Sundays81% on time · p90 50 min · 397 flights
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