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| Current local time | 23:35:26 Tuesday 31.03.2026 |
| Time zone | UTC - 05:00 |
| Demand calculation | 11:36:39 UTC |
| IATA code | ISP |
| ICAO code | KISP |
| IATA Area | Traffic Conference 1 |
| IATA Sub-Area | North America |
| Region | New York |
| Country | USA |
| Continent | North America |
| Runway | 2,134 m |
| Airport size | Small airport |
| Slots (per 5 minutes) | 10 |
| Slot Availability | 99% |
| Min. transfer time | 00:45h |
| Nighttime ban | nighttime ban between 0:01 and 5:59 |
| Noise restrictions | no noise restrictions |
| Passengers | ![]() |
| Cargo | ![]() |
| 2026-03-10 16:00 UTC | Allegiant has opened a new station at Islip. |
| 2026-03-02 05:17 UTC | Oman Air have shut down their station at Islip. |
| 2026-03-02 03:52 UTC | Oman Air has opened a new station at Islip. |
| 2026-03-02 03:48 UTC | Air Wisconsin has opened a new station at Islip. |
| 2026-02-13 02:22 UTC | AirTran Airways has opened a new station at Islip. |
| 2026-02-12 15:10 UTC | SkyBus Airlines has opened a new station at Islip. |
| 2026-02-12 12:55 UTC | SkyBus Airlines has opened a new station at Islip. |
| 2026-02-02 16:02 UTC | Piedmont has opened a new station at Islip. |
| 2026-02-01 22:56 UTC | Southwest has opened a new station at Islip. |
| 2025-12-04 23:39 UTC | United Airlines has opened a new station at Islip. |
| 2025-12-03 21:48 UTC | Alaska Airlines has opened a new station at Islip. |
There are thousands of airports and hundreds of countries in AirlineSim. Consequently, data are bound to be wrong sometimes. In case you came across any mistake - like wrong values, missing airports or naming errors - please send your findings, your sources and a detailed description of the issue to support@airlinesim.aero. Thank you very much for your support!
| Enterprise | IL | Weekly departures | Flight schedule | ||
|---|---|---|---|---|---|
|
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AirTran Airways | 7 Departures | |||
|
|
Alaska Airlines | 0 Departures | |||
| Allegiant | 9 Departures | ||||
|
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Piedmont | 21 Departures | |||
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Southwest | 7 Departures | |||
|
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United Airlines | 0 Departures | |||