Southwest · SJU
What gates does Southwest use at San Juan Airport (SJU)?
Southwest uses gates B2, B3, B4, B5 and B7 at San Juan Airport (SJU), mainly in Terminal B’s Concourse B, with about 11 departures a day (Oct 3–5, 2026). It is the main airline at 2 of them.
Based on 88 Southwest flights at SJU, Oct 3–5, 2026 (full days)

How Southwest compares at SJU
- 4th of the 13 airlines with regular flights at SJU by departures: 10% of them (11 departures a day of about 113 a day).
- 12% of the seats leaving SJU: about 1,882 a day, 171 per departure.
- 1.9 turns a day at each gate it turns planes at, 8% fewer than the airport’s 2.0.
- Median turn at the gate: 64 min, 6 min shorter than the airport median (69 min).
- At SJU, Southwest’s 11 departures a day compare with American’s 8-9 and Frontier’s 14. Southwest has 2 gates of its own; American 3; Frontier 4.
Where Southwest flies nonstop from SJU
4 nonstop destinations. Nonstop routes seen Oct 3–5, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| OrlandoMCO | 7/day | Frontier (5/day), JetBlue (5/day) |
| BaltimoreBWI | 2/day | Frontier (2-3/week) |
| Fort LauderdaleFLL | 1/day | JetBlue (3/day), Frontier (1/day) |
| TampaTPA | 1/day | JetBlue (1/day), Frontier (4-5/week) |
When Southwest flies at SJU
- First departure of the day usually around 5:00 am, the last around 9:20 pm.
- Busiest hour: 5:00 am–6:00 am, with about 2 of its arrivals and departures.
- About 1 of its aircraft spend the night at SJU (arrive in the evening, leave the next morning).
Southwest’s aircraft at SJU
| Aircraft | Departures | Seats each |
|---|---|---|
| 737 MAX 8 | 5-6/day | 175 |
| 737-800 | 4-5/day | 175 |
| 737-700 | 1-2/day | 143 |
About 1,882 seats leave SJU 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 SJU
Terminal B, Concourse B B3, B5
Held = the airline flying the gate most (regional partners count as their brand).
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| B2 | Common use | JetBlue, United, Sun Country |
| B4 | Common use | United, Avelo, Sun Country |
| B7 | Common use | United, Delta |
About this data
Based on 3 full days of flights at SJU, Oct 3–5, 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 SJU: questions
What terminal is Southwest at San Juan Airport (SJU)?
Southwest flies from Terminal B’s Concourse B at San Juan Airport (SJU).
What gates does Southwest use at SJU?
Southwest has 2 gates at SJU (the airline flying each one most): B3 and B5. It used 5 gates in all over Oct 3–5, 2026.
How many flights a day does Southwest have from SJU?
About 11 departures a day and 1,882 seats, averaged over Oct 3–5, 2026.
Where does Southwest fly nonstop from SJU?
Southwest flies nonstop to 4 cities from SJU, the most often to Orlando, Baltimore, Fort Lauderdale and Tampa. Routes seen Oct 3–5, 2026.
When is Southwest’s first flight out of SJU?
Usually around 5:00 am; the last leaves around 9:20 pm.
Does Southwest share gates at SJU?
Yes: 3 gates it uses are shared or used most by another airline, e.g. gate B2 with JetBlue, United and Sun Country.
Other airlines at SJU
All of SJU’s gates by airline · Southwest at every airport we map · Nonstop routes from SJU