Historical on-time performance
Islip to Tampa
1,034 miData through May 2026Source: US DOT · BTS
Flights on ISP–TPA arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled2.1%of scheduled flights
based on 94 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesOn-time74%Medianon timep9040 minCancel2.1%Flights94
Why flights run late
Delay causes
- Airline46%
- Weather0%
- Air traffic (NAS)10%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Airline.
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 2 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 → TPA
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 56% to 78% on time.
- Middays78% on time · p90 35 min · 646 flights
- Mornings78% on time · p90 30 min · 203 flights
- Overnights67% on time · p90 110 min · 186 flights · limited
- Evenings64% on time · p90 60 min · 240 flights
- Afternoons56% on time · p90 85 min · 290 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 77% on time.
- Tuesdays77% on time · p90 40 min · 118 flights · limited
- Thursdays73% on time · p90 60 min · 218 flights
- Fridays71% on time · p90 45 min · 246 flights
- Mondays71% on time · p90 40 min · 235 flights
- Saturdays70% on time · p90 55 min · 315 flights
- Wednesdays70% on time · p90 80 min · 141 flights · limited
- Sundays65% on time · p90 95 min · 292 flights
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