Airport
Long Island MacArthur Airport
ISP · Islip, NY
- IATA Code
- ISP
- ICAO Code
- KISP
- City
- Islip
- Country
- United States
- Website
- flymacarthur.com
Long Island MacArthur Airport is a regional airport serving Islip, NY. Its IATA code is ISP and its ICAO code is KISP.
The airfield sits 99 feet above sea level.
Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through ISP recently? Share your experience to help other travelers.
ISP by the numbers
IATA ISP · ICAO KISP · 99 ft elevation · Map
Loading live weather, forecasts, delays and nearby aircraft…
Official departure punctuality
Ranks #297 of 358 U.S. airports for on-time departures
- On-time departures
- 74.9%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,016
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 23%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Busiest routes from ISP
| Route | Flights | On time |
|---|---|---|
| Orlando (MCO) | 1,442 | 74% |
| Baltimore (BWI) | 1,259 | 85% |
| Tampa (TPA) | 433 | 71% |
| Fort Lauderdale (FLL) | 418 | 69% |
| Myrtle Beach (MYR) | 123 | 80% |
| Fort Myers (RSW) | 111 | 62% |
| West Palm Beach (DJT) | 97 | 65% |
Airlines departing ISP
| Airline | Flights | On-time departures |
|---|---|---|
| Southwest Airlines | 2,586 | 75% |
| JetBlue Airways | 1,600 | 76% |
| Frontier Airlines | 830 | 74% |
Terminals, parking & amenities
Terminals (1)
- Long Island MacArthur Airport Terminal (ISP)
Parking (16)
- Avis/Budget Return Lot
- Economy Lot 2A
- Employee Lot 3
- Enterprise/Alamo/National Return Lot
- Hertz/Thrifty Return Lot 8
- Long Term Lot 2
- Overflow Lot 10
- Resident Lot 6
- Resident Lot 6A
- Resident Lot 6B & Cell Phone Waiting Lot
- Sheltair Lot 7
- Short Term Lot 1
Food & drink (6)
- A&W
- Food Court
- Great American Bagel
- Islip Pizza and Pasta
- Maggie O'Shea's
- Starbucks
Shops (2)
- MSNBC Gift Shop
- MSNBC Gift Shop
Car rental (1)
Gates (12)
A1, A1L, A2, A3, A4, A5, A6, A7, A8, B16, B19, B23
Map data © OpenStreetMap contributors, ODbL.
Runways
| Runway | Length | Surface |
|---|---|---|
| 06/24 | 7,006 ft | ASP, lighted |
| 15R/33L | 5,186 ft | ASP, lighted |
| 15L/33R | 3,175 ft | ASP |
Listen to the tower
Air traffic control frequencies, for scanners and airband radios.
- Recorded airport information (ATIS) 120.725 MHz
- Tower 119.300 MHz
- Ground 135.300 MHz
- Clearance delivery 121.850 MHz
Runways and frequencies: OurAirports (public domain). Not for navigation.
Tags: ISP, KISP, Islip airport, Long Island MacArthur Airport
Reviews
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