ISP Long Island Mac Arthur Airport

The IATA airport code for Long Island Mac Arthur Airport is ISP.

The ICAO code for Long Island Mac Arthur Airport is KISP.

Long Island Mac Arthur Airport (ISP) is located in Islip, United States.

The local time zone at Long Island Mac Arthur Airport (ISP) is America/New_York (GMT-4).

About 12 scheduled departures were counted at Long Island Mac Arthur Airport (ISP) when flight schedules were last measured on September 4, 2026.

For international flights, arrive at least 3 hours before departure; for domestic flights, about 2 hours.

Based on the current departures board at Long Island Mac Arthur Airport (ISP), scheduled flights are operated by Southwest Airlines, Breeze Airways, Jetblue Airways, and Avelo Airlines.

Destinations on the current departures board at Long Island Mac Arthur Airport (ISP) include Baltimore, Orlando, Fort Lauderdale, Concord, Norfolk, and Richmond.

The board on this page shows arrivals and departures for Long Island Mac Arthur Airport (ISP). It re-checks for updates while the page is open, and every board states how old its data is — busy hubs are refreshed within hours, quieter airports less often.