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.
- On time or early73%
- 15–30 min late7.7%
- 30–60 min late6.7%
- 1–2 hours late5.6%
- 2–3 hours late2.6%
- 3+ hours late0.9%
- Diverted0.2%
- Cancelled2.8%
Share of all 430 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| Frontier Airlines | 250 | 78% | 3.2% | −9 min | 11.2% | +91 min | Frontier Airlines |
| Southwest Airlines | 99 | — | — | — | — | — | Southwest Airlines |
| JetBlue | 81 | — | — | — | — | — | 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.
By month
Each calendar month pooled over 2023–2026. Best: October (87%). Worst: March (68%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 77 | — | — |
| Tuesday | 15 | — | — |
| Wednesday | 42 | — | — |
| Thursday | 38 | — | — |
| Friday | 83 | — | — |
| Saturday | 104 | 71% | 0.0% |
| Sunday | 71 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
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.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| F9 3324 | 4:09 p.m. | 140 | 78% | 4.3% | −10 min | Frontier Airlines |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Dec 26, 2025 | 3 | 0% | 1 |
| Feb 23, 2026 | 3 | 0% | 3 |
| Mar 7, 2026 | 3 | 0% | 0 |
| Feb 27, 2026 | 3 | 0% | 0 |
| Feb 28, 2026 | 3 | 33% | 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.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| TPA → ISP (this route) | 430 | 73% | 2.8% |
| SRQ → EWR Sarasota Bradenton to Newark | 929 | 82% | 3.0% |
| TPA → EWR Tampa to Newark | 2,506 | 77% | 2.0% |
| TPA → JFK Tampa to New York JFK | 2,307 | 75% | 4.2% |
| TPA → LGA Tampa to LaGuardia | 2,764 | 71% | 3.3% |
| SRQ → JFK Sarasota Bradenton to New York JFK | 533 | 69% | 3.9% |
| SRQ → LGA Sarasota Bradenton to LaGuardia | 542 | 68% | 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
- ISP → TPA (return)
- Tampa (TPA) delays by hour
- Flights into Long Island MacArthur (ISP)
- Frontier Airlines on-time record
- Southwest Airlines on-time record
- JetBlue on-time record
- Connecting off this flight? Check the risk
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.