Southwest · ISP
What gates does Southwest use at Long Island/Islip Airport (ISP)?
Southwest uses gates A5 and A7 at Long Island/Islip Airport (ISP), mainly in Concourse A, with about 6-7 departures a day (Oct 3–12, 2026). It is the main airline at both.
Based on 127 Southwest flights at ISP, Oct 3–12, 2026 (full days)
How Southwest compares at ISP
- 1st of the 5 airlines with regular flights at ISP by departures: 35% of them (6-7 departures a day of about 18 a day).
- 42% of the seats leaving ISP: about 1,060 a day, 166 per departure.
- 2.4 turns a day at each gate it turns planes at, 16% more than the airport’s 2.1.
- Median turn at the gate: 53 min, the same as the airport median (52 min).
- At ISP, Southwest’s 6-7 departures a day compare with Breeze’s 4 and JetBlue’s 3-4. Southwest has 2 gates of its own; Breeze 1; JetBlue 1.
Where Southwest flies nonstop from ISP
3 nonstop destinations. Nonstop routes seen Oct 3–12, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| BaltimoreBWI | 3-4/day | none seen |
| OrlandoMCO | 1-2/day | Frontier (1/day), JetBlue (1/day) |
| West Palm BeachDJT | 1/day | JetBlue (1-2/day) |
When Southwest flies at ISP
- First departure of the day usually around 6:00 am, the last around 6:10 pm.
- Busiest hour: 3:00 pm–4:00 pm, with about 1 of its arrivals and departures.
- About 1 of its aircraft spend the night at ISP (arrive in the evening, leave the next morning).
Southwest’s aircraft at ISP
| Aircraft | Departures | Seats each |
|---|---|---|
| 737-800 | 3/day | 175 |
| 737 MAX 8 | 1-2/day | 175 |
| 737-700 | 1-2/day | 143 |
About 1,060 seats leave ISP on Southwest each day. Of the gates it holds, 2 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Southwest’s gates at ISP
Concourse A A5, A7
Held = the airline flying the gate most (regional partners count as their brand).
About this data
Based on 8 full days of flights at ISP, Oct 3–12, 2026. Gates of its own are the gates where Southwest flies the most (regional partners count as their brand). Every one of its departures has a seat count.
Southwest at ISP: questions
What terminal is Southwest at Long Island/Islip Airport (ISP)?
Southwest flies from Concourse A at Long Island/Islip Airport (ISP).
What gates does Southwest use at ISP?
Southwest has 2 gates at ISP (the airline flying each one most): A5 and A7. It used 2 gates in all over Oct 3–12, 2026.
How many flights a day does Southwest have from ISP?
About 6-7 departures a day and 1,060 seats, averaged over Oct 3–12, 2026.
Where does Southwest fly nonstop from ISP?
Southwest flies nonstop to 3 cities from ISP, the most often to Baltimore, Orlando and West Palm Beach. Routes seen Oct 3–12, 2026.
When is Southwest’s first flight out of ISP?
Usually around 6:00 am; the last leaves around 6:10 pm.
Other airlines at ISP
All of ISP’s gates by airline · Southwest at every airport we map · Nonstop routes from ISP