Historical on-time performance
Grand Rapids to Miami
1,214 miData through Dec 2025Source: US DOT · BTS
Flights on GRR–MIA arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled3.2%of scheduled flights
based on 31 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time77%Medianon timep9035 minCancel3.2%Flights31
Why flights run late
Delay causes
- Airline76%
- Weather0%
- Air traffic (NAS)24%
- 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 GRR → MIA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 84% on time.
- Mondays84% on time · p90 60 min · 63 flights · limited
- Wednesdays83% on time · p90 35 min · 63 flights · limited
- Thursdays80% on time · p90 35 min · 60 flights · limited
- Fridays78% on time · p90 30 min · 60 flights · limited
- Saturdays78% on time · p90 25 min · 73 flights · limited
- Sundays77% on time · p90 35 min · 61 flights · limited
- Tuesdays71% on time · p90 50 min · 62 flights · limited
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