Historical on-time performance
Islip to Fort Lauderdale
Flights on ISP–FLL arrive on time 67% of the time over the last 12 months.
based on 264 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time67%Medianon timep9065 minCancel1.9%Flights264
Why flights run late
Delay causes
- Airline29%
- Weather0%
- Air traffic (NAS)21%
- Late aircraft50%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather60%
- Air traffic (NAS)20%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 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 ISP → FLL
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 78% on time.
- Mornings78% on time · p90 45 min · 330 flights
- Middays74% on time · p90 45 min · 420 flights
- Overnights67% on time · p90 80 min · 120 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 64% to 78% on time.
- Tuesdays78% on time · p90 50 min · 125 flights · limited
- Wednesdays76% on time · p90 40 min · 155 flights · limited
- Fridays75% on time · p90 45 min · 159 flights · limited
- Thursdays71% on time · p90 50 min · 126 flights · limited
- Saturdays71% on time · p90 65 min · 168 flights · limited
- Mondays66% on time · p90 65 min · 158 flights · limited
- Sundays64% on time · p90 115 min · 136 flights · limited
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