TPA (Tampa) to ISP (Islip) flights arrive on time 80% of the time. The most reliable airline on this route is Frontier Airlines at 82%. The average delay is 72 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.TPA → ISP
TPA (Tampa) to ISP (Islip)
TPA → ISP on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — Frontier Airlines leads slightly at 82% vs Southwest Airlines at 78%.
Airline Comparison
Frontier Airlines leads at 82% on time; Southwest Airlines trails at 78%.
Accurate?
Good to know
Departing from TPA
79% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. TPA has long runway queues.
TSA is currently ~13 min. Best time: 4 AM (about 5 min).
TPA cancels 2.1% of flights — higher than average. Have a backup plan.
Arriving at ISP
77% on timeWhen flights into ISP are late, the average delay is 68 minutes. Build buffer if you have ground plans.
If connecting at ISP: TSA is ~7 min right now. Allow at least 60 minutes for a domestic connection.
ISP has a 2.1% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Frontier Airlines owes you — refund rights, action plan, complaint email. Free.
Let us watch your flight
We worry about delays, TSA, weather, and gates so you don't have to.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated May 2026. Source: Bureau of Transportation Statistics.