Historical on-time performance
Detroit to Grand Rapids
120 miData through Dec 2025Source: US DOT · BTS
Flights on DTW–GRR arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 1,292 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Delta Air LinesOn-time77%Medianon timep9025 minCancel0.0%Flights62
- SkyWest AirlinesOn-time76%Medianon timep9070 minCancel0.7%Flights1,230
Why flights run late
Delay causes
- Airline65%
- Weather22%
- Air traffic (NAS)12%
- 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 → GRR
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 69% to 85% on time.
- Mornings85% on time · p90 25 min · 899 flights
- Middays85% on time · p90 30 min · 944 flights
- Afternoons78% on time · p90 50 min · 1,117 flights
- Overnights70% on time · p90 60 min · 995 flights
- Evenings69% on time · p90 105 min · 433 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 81% on time.
- Saturdays81% on time · p90 35 min · 606 flights
- Tuesdays80% on time · p90 30 min · 625 flights
- Thursdays80% on time · p90 50 min · 628 flights
- Wednesdays78% on time · p90 45 min · 626 flights
- Sundays77% on time · p90 65 min · 637 flights
- Mondays77% on time · p90 65 min · 640 flights
- Fridays75% on time · p90 55 min · 626 flights
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