Southwest Airlines operates 4 non-stop routes from Islip (ISP), serving 1 country with an average sector length of 1,317 km. This is part of Southwest Airlines's 1961-route global network.
Non-stop destinations from Islip on Southwest Airlines
| Destination | IATA | Country | Distance | Duration | Route |
|---|---|---|---|---|---|
| West Palm Beach | PBI | USA | 1,692 km | 2h 54m | Route ↗ |
| Tampa | TPA | USA | 1,662 km | 3h 5m | Route ↗ |
| Orlando | MCO | USA | 1,562 km | 2h 50m | Route ↗ |
| Baltimore | BWI | USA | 353 km | 1h 15m | Route ↗ |
Destinations by country
Southwest Airlines from other airports
- Denver (DEN) — 95 routes
- Chicago (MDW) — 81 routes
- Nashville (BNA) — 79 routes
- Baltimore (BWI) — 79 routes
- Dallas (DAL) — 79 routes
Aircraft assignments
We are currently expanding per-airline aircraft data for every route. Until that ships, you can browse by aircraft type at /by-aircraft.
Frequently asked questions
How many destinations does Southwest Airlines serve from Islip (ISP)?
Southwest Airlines flies to 4 non-stop destinations from Islip (ISP), spanning 1 country.
What is the longest route Southwest Airlines flies from Islip?
The longest non-stop route is ISP → PBI (West Palm Beach) at 1,692 km.
Which countries does Southwest Airlines fly to from Islip?
Top destination countries: USA (4).
Does Southwest Airlines operate from other airports?
Yes — Southwest Airlines also operates from Denver (DEN), Chicago (MDW), Nashville (BNA), Baltimore (BWI), Dallas (DAL). Total network: 1961 routes across the carrier's footprint.