ON TIMEBOARD

TPA → ISP on time

Tampa (Tampa, FL) to Long Island MacArthur (Islip, NY). Every scheduled flight, September 2025 to August 2026.

On time
73%
arrived < 15 min late
Cancelled
2.8%
430 flights
Typical arrival
−3 min
median vs schedule
When late
+68 min
average delay
Flights / day
1
3 airlines

73% of flights from Tampa to Islip arrived on time over the past 12 months. That is worse than the typical U.S. route. 12% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for TPA → ISP: when a flight was late, it was under 45 minutes late 51% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 108 three hours or more; 2.8% were cancelled outright.

Share of all 430 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Frontier Airlines25078%3.2%−9 min11.2%+91 minFrontier Airlines
Southwest Airlines99—————Southwest Airlines
JetBlue81—————JetBlue

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at TPA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: too few flights (31 flights)6a7 a.m. departures: too few flights (15 flights)7a8 a.m. departures: too few flights (12 flights)8a9 a.m. departures: too few flights (26 flights)9a10 a.m. departures: too few flights (51 flights)10a11 a.m. departures: too few flights (30 flights)11anoon departures: too few flights (15 flights)12p1 p.m. departures: too few flights (48 flights)1p2 p.m. departures: too few flights (37 flights)2p3 p.m. departures: too few flights (42 flights)3p4 p.m. departures: too few flights (68 flights)4p5 p.m. departures: too few flights (4 flights)5p6 p.m. departures: too few flights (5 flights)6p7 p.m. departures: too few flights (2 flights)7p8 p.m. departures: too few flights (5 flights)8p9 p.m. departures: too few flights (33 flights)9p
TPA → ISP, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: October (87%). Worst: March (68%).

40%70%100%Jan: 80% on time (131 flights)80JanFeb: 75% on time (156 flights)75FebMar: 68% on time (154 flights)68MarApr: 78% on time (158 flights)78AprMay: 81% on time (119 flights)81MayJun: too few flights (95 flights)JunJul: too few flights (92 flights)JulAug: 81% on time (108 flights)81AugSep: 87% on time (119 flights)87SepOct: 87% on time (118 flights)87OctNov: 87% on time (123 flights)87NovDec: 76% on time (147 flights)76Dec

By day of week

DayFlightsOn timeCancelled
Monday77——
Tuesday15——
Wednesday42——
Thursday38——
Friday83——
Saturday10471%0.0%
Sunday71——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 55%Airline (crew, maintenance, ops) 28%Air traffic & airport (NAS) 16%

Cancellations: weather 9 · airline 2 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
F9 33244:09 p.m.14078%4.3%−10 minFrontier Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Dec 26, 202530%1
Feb 23, 202630%3
Mar 7, 202630%0
Feb 27, 202630%0
Feb 28, 2026333%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Tampa or Islip. SRQ → EWR has been 8 points more reliable.

RouteFlightsOn timeCancelled
TPA → ISP (this route)43073%2.8%
SRQ → EWR Sarasota Bradenton to Newark92982%3.0%
TPA → EWR Tampa to Newark2,50677%2.0%
TPA → JFK Tampa to New York JFK2,30775%4.2%
TPA → LGA Tampa to LaGuardia2,76471%3.3%
SRQ → JFK Sarasota Bradenton to New York JFK53369%3.9%
SRQ → LGA Sarasota Bradenton to LaGuardia54268%5.9%

Questions

How often are flights from TPA to ISP on time?

73% of 430 scheduled flights from Tampa, FL to Islip, NY arrived within 15 minutes of schedule between September 2025 and August 2026. 2.8% were cancelled.

What month has the most delays from TPA to ISP?

March (68% on time). The best month is October (87%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.