Historical on-time performance
Grand Rapids to Sanford
Flights on GRR–SFB arrive on time 69% of the time over the last 12 months.
based on 310 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Allegiant AirOn-time69%Medianon timep9065 minCancel0.3%Flights310
Why flights run late
Delay causes
- Airline31%
- Weather14%
- Air traffic (NAS)15%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 1 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 GRR → SFB
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 67% to 87% on time.
- Middays87% on time · p90 20 min · 156 flights · limited
- Mornings84% on time · p90 30 min · 449 flights
- Afternoons70% on time · p90 65 min · 361 flights
- Evenings67% on time · p90 65 min · 137 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 80% on time.
- Tuesdays80% on time · p90 40 min · 110 flights · limited
- Saturdays77% on time · p90 65 min · 199 flights · limited
- Wednesdays77% on time · p90 45 min · 111 flights · limited
- Fridays76% on time · p90 60 min · 179 flights · limited
- Mondays74% on time · p90 60 min · 174 flights · limited
- Thursdays73% on time · p90 70 min · 192 flights · limited
- Sundays72% on time · p90 65 min · 195 flights · limited
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