Long Island Mac Arthur Airport
Long Island Mac Arthur Airport (KISP/ISP) is a medium international airport located in Islip, NY, 27 mi south of Bridgeport. It features 4 runways with the longest being 7,006 feet. SkyMeter has observed roughly 104 arrivals and 101 departures per day on average over the last 7 days, served by 31 carriers across 57 routes. The most active carrier is ATP Flight School (CXK). The busiest route is to Baltimore/Washington International Thurgood Marshall Airport (KBWI). On-time performance averages 14% with an average delay of 16 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 189 seconds.
Safety incidents
Last 7 days · 6 total
Current weather
Latest METAR observation
Delays by hour
Avg minutes · local time · last 30 days
Top carriers
Share of flights
Top destinations
By flight count
Carriers
Show 29 more carriers →
EJA
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 119.300 | — |
| TWR | 119.300 | 0600-2400 |
| TWR | 124.300 | 0600-2400 |
| TWR | 239.300 | 0600-2400 |
| TWR | 335.500 | 0600-2400 |
| GND | 135.300 | 0600-2400 |
| ATIS | 120.725 | 0600-2400 |
| APCH | 120.050 | — |
| APCH | 343.750 | — |
| UNICOM | 122.950 | — |
| ASOS | 120.725 | — |
| OTHER | 45.000 | 0600-2400 |
| ARNG OPS | 45.000 | 0600-2400 |
| ISP VOT | 109.400 | — |
| OTHER | 109.400 | — |
| LCL/P | 119.300 | 0600-2400 |
| CLASS C | 120.050 | — |
| NELIE ST | 120.050 | — |
| OTHER | 120.050 | — |
| EMERG | 121.500 | 0600-2400 |
| OTHER | 121.850 | 0600-2400 |
| CD/P | 121.850 | 0600-2400 |
| LCL/S | 124.300 | 0600-2400 |
| LCL/S | 239.300 | 0600-2400 |
| EMERG | 243.000 | 0600-2400 |
| LCL/P | 335.500 | 0600-2400 |
| CLASS C | 343.750 | — |
| NELIE ST | 343.750 | — |
| OTHER | 343.750 | — |
Airport operations
- ARTCC:
- ZNY
- Mag var:
- 14° W
- Fuel:
- 100LL
Destination network
Great-circle routes from KISP · last 7d
Hourly traffic
Avg movements per hour · local time · last 30 days
Top routes
Click any segment for full inspection
| Route | Operator | Flights | Avg enroute |
|---|---|---|---|
ISPBWI Baltimore, US |
SWA
Southwest Airlines Co. (SAN Antonio |
57 | 0h 52m |
ISPBOS Boston, US |
KAP
Hyannis AIR Service |
38 | 1h 5m |
ISPPBI West Palm Beach, US |
JBU
Jetblue Airways Corporation (NEW York |
20 | 2h 33m |
ISPFLL Fort Lauderdale, US |
JBU
Jetblue Airways Corporation (NEW York |
19 | 2h 36m |
ISPMCO Orlando, US |
JBU
Jetblue Airways Corporation (NEW York |
15 | 2h 36m |
ISPPBI West Palm Beach, US |
SWA
Southwest Airlines Co. (SAN Antonio |
14 | 2h 26m |
ISPMCO Orlando, US |
SWA
Southwest Airlines Co. (SAN Antonio |
11 | 2h 11m |
ISPMCO Orlando, US |
FFT
Frontier Airlines |
11 | 2h 29m |
ISPRDU Raleigh/Durham, US |
MXY
Breeze Airways |
10 | 1h 24m |
ISPHFD Hartford, US |
CXK
ATP Flight School |
9 | 0h 49m |
ISPMYR Myrtle Beach, US |
FFT
Frontier Airlines |
8 | 1h 22m |
ISPMYR Myrtle Beach, US |
MXY
Breeze Airways |
8 | 1h 24m |
ISPCHS Charleston, US |
MXY
Breeze Airways |
7 | 1h 34m |
ISPUSA Concord, US |
VXP
TEM Enterprises D\b\a Avelo Airlines |
6 | 1h 24m |
ISPTPA Tampa, US |
FFT
Frontier Airlines |
6 | 2h 23m |
ISPRSW Fort Myers, US |
MXY
Breeze Airways |
5 | 2h 50m |
ISPOWD Norwood, US |
CXK
ATP Flight School |
5 | 1h 28m |
ISPMMU Morristown, US |
CXK
ATP Flight School |
4 | 0h 44m |
ISPILM Wilmington, US |
MXY
Breeze Airways |
4 | 1h 20m |
ISPORF Norfolk, US |
MXY
Breeze Airways |
4 | 1h 1m |
Pilot & community notes
1 comment from OurAirports — click to expand
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Pilot & community notes
1 comment from OurAirports — click to expand