Main Terminal Building
Ticket counters (Frontier, JetBlue and Southwest are listed), baggage claim, the TSA checkpoint, and a CNBC store and East End Getaway gift shop in the atrium.
Long Island MacArthur Airport (ISP)
Islip, New York KISP #116 US airport by passengers
In Ronkonkoma, New York, on Long Island. The Ronkonkoma / MacArthur Airport LIRR station is just north of the airport.
- FAA status
- No delays reported Updated 8 min ago
- Weather now
- VFR 69°F Observed 1 h ago
- Late departures
- 23.4%May 2026 to July 2026
- Security line
- No recent reportsAdd yours
ISP at a glance
Long Island MacArthur Airport is a compact airport. The Main Terminal Building holds ticket counters, baggage claim, the TSA checkpoint and the gift shops. The gates are in the Veterans Memorial Concourse, past security.
Parking sits directly across from the Main Terminal Building. A Ground Transportation Center next to the terminal holds the rental car counters, shuttles and ride-hailing pickups. The airport describes four airlines serving more than 10 nonstop destinations.
Main airlines: Avelo, Breeze, Cape Air, Frontier, JetBlue and Southwest operate flights from ISP. The airport departure list shows nonstop service to destinations such as Orlando, Baltimore/Washington, West Palm Beach, Charlotte/Concord, Boston and Myrtle Beach. Schedules change, so confirm with your airline.
FAA delay status for ISP
The FAA is not reporting a ground stop, ground delay program or other delay at ISP right now.
Source: FAA National Airspace System Status, checked 8 min ago. Airline-specific delays are not shown here.
Current conditions at ISP
VFR
69°F21°C
Good visibility and high cloud base. Normal operations are typical.
- Wind
- 340° 14 mph
- Visibility
- 10+ mi
- Clouds
- SCT 3,000 ft
- Ceiling
- None
- Pressure
- 29.77 inHg
METARMETAR KISP 121956Z 34012KT 10SM SCT030 21/13 A2977 RMK AO2 SLP080 T02060133
Source: NOAA Aviation Weather Center. Observed 1 h ago.
Full weather, TAF, forecast and runways →
On-time performance at ISP
Based on 1,251 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
23.4%Departures late
23.8%Arrivals late
1.08%Cancelled
19.9 minAverage departure delay
| Airline | Departures | Late |
|---|---|---|
| Southwest Airlines | 686 | 23.9% |
| JetBlue Airways | 387 | 22.2% |
| Frontier Airlines | 178 | 24.2% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Late departures by month
Terminals
Veterans Memorial Concourse
The gates, reached after the TSA checkpoint. Paradies gift shop is across from Gate A5. Dunkin and Great American Bagel share the concourse with one ATM across from Dunkin.
Moving between terminals
ISP has one main terminal building with the gates beyond security, so you do not need to transfer between terminals.
Getting to and from ISP
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Rental car
Ground Transportation Center
The GTC is next to the Main Terminal Building and is reached by the covered walkway. Rental cars are just outside the GTC exit doors. Counters: Avis (631) 981-5041, National (800) 227-7368, Budget (800) 527-0700 and Enterprise (631) 737-3722.
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Rail
LIRR Ronkonkoma / MacArthur Airport station
The station is just north of the airport. The airport says direct trains to Penn Station and Grand Central typically take under an hour and a half. Reach the station by taxi or ride-hailing from the GTC.
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Bus
Suffolk County Transit Route 6
Route 6 stops at the GTC in a designated bus lane. It runs every 30 minutes on weekdays until 6 p.m. and hourly after 6 p.m. and on weekends. Fares: $2.25 regular, $1.25 for children and students, and $0.75 for seniors, people with disabilities and veterans. Call (631) 852-5200 or visit sctbus.org.
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Intercity coach
Hampton Jitney
Hampton Jitney runs service to the North and South Fork from a stop in Islip. Reservations are required for the Islip stop.
Tips for ISP
- Dunkin and Great American Bagel serve coffee and treats from 4 a.m. to 8 p.m. daily.
- Point Blue Pub and Provisions, a pre-flight spot for freshly made hot food and drinks, is a good place to eat before a flight.
- The Pet Relief Area is outdoors, just beyond the Baggage Claim Wing, with pet-friendly turf and bags.
- Fresh salads and sandwiches are available at the terminal entrance and near the gates. Nathan's hot dogs are in the food court.
Frequently asked questions
Is there free Wi-Fi at ISP?
Yes. Free Wi-Fi is available throughout the airport. The airport lists the network as ISP Stress Free_WiFi.
How much is parking at ISP?
The posted short-term rate is $1.93 for the first half hour, then $4.13 per hour, with a $28.65 maximum per 24 hours. Long-term is $4.41 per hour with a $19.84 maximum. Economy is $4.41 per hour up to 4 hours, then $18.18 per day. Check the posted rate at the entrance, because the airport page also shows older figures.
Is there a lounge at ISP?
The airport amenity pages do not list an airline or paid lounge. The Mothers Room near the gates is free and private.
How do I get from ISP to Manhattan by train?
Take a taxi or ride-hailing service from the Ground Transportation Center to the Ronkonkoma / MacArthur Airport LIRR station, which is just north of the airport. From there, direct trains go to Penn Station and Grand Central, typically in under an hour and a half.
Where are the rental cars?
In the Ground Transportation Center, next to the Main Terminal Building. Reach it by the covered walkway. Rental cars are just outside the GTC exit doors.
Is there a bus to the airport?
Yes. Suffolk County Transit Route 6 stops at the Ground Transportation Center in a designated bus lane. Fares are $2.25 regular, $1.25 for children and students, and $0.75 for seniors, people with disabilities and veterans.
Where is the TSA checkpoint?
In the Main Terminal Building. The gates in the Veterans Memorial Concourse are beyond the checkpoint.
Can I park for free if I live nearby?
Only residents of the Town of Islip can use the resident lots 6, 6A and 6B, and they need a Resident Parking Permit. Other drivers pay the posted rates.
Is there a pet relief area?
Yes. The outdoor Pet Relief Area is just beyond the Baggage Claim Wing, with pet-friendly turf, bags and a disposal bin.
Where can I charge my phone?
Charging plugs are in the seating areas at every gate and in the restaurants.
Where do I wait for a ride-hailing pickup?
Ride-hailing pickups are at the Ground Transportation Center canopy, reached by the covered walkway from the Main Terminal Building.
How busy is ISP?
About 790,218 passengers boarded flights at Long Island MacArthur Airport in 2025, according to FAA enplanement data. That ranks it number 116 among US airports.
How often are flights late at ISP?
Over May 2026 to July 2026, 23.4% of departures at ISP left 15 or more minutes late, and 1.08% of flights were cancelled (Bureau of Transportation Statistics).
Guide content last reviewed October 12, 2026. Report a correction