Historical on-time performance
Detroit to Grand Rapids
Flights on DTW–GRR arrive on time 71% of the time over the last 12 months.
based on 1,513 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 timep9095 minCancel1.1%Flights1,513
Why flights run late
Delay causes
- Airline70%
- Weather20%
- Air traffic (NAS)11%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline6%
- Weather63%
- Air traffic (NAS)31%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 16 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 → GRR
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 68% to 83% on time.
- Mornings83% on time · p90 30 min · 867 flights
- Middays81% on time · p90 45 min · 942 flights
- Afternoons76% on time · p90 60 min · 1,191 flights
- Overnights68% on time · p90 70 min · 976 flights
- Evenings68% on time · p90 105 min · 499 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 80% on time.
- Saturdays80% on time · p90 35 min · 608 flights
- Wednesdays77% on time · p90 50 min · 636 flights
- Thursdays77% on time · p90 60 min · 648 flights
- Tuesdays76% on time · p90 50 min · 634 flights
- Sundays74% on time · p90 80 min · 654 flights
- Mondays74% on time · p90 70 min · 649 flights
- Fridays72% on time · p90 65 min · 646 flights
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