Southwest · SJC
What gates does Southwest use at San Jose Airport (SJC)?
Southwest uses 13 gates at San Jose Airport (SJC), mainly in Terminal B, with about 75 departures a day (Oct 3–5, 2026). It is the main airline at all 14.
Based on 1,344 Southwest flights at SJC, Oct 3–5, 2026 (full days)
How Southwest compares at SJC
- 1st of the 7 airlines with regular flights at SJC by departures: 58% of them (75 departures a day of about 130 a day).
- 62% of the seats leaving SJC: about 12,106 a day, 161 per departure.
- 5.3 turns a day at each gate it turns planes at, 43% more than the airport’s 3.7.
- Median turn at the gate: 52 min, the same as the airport median (52 min).
- At SJC, Southwest’s 75 departures a day compare with Delta’s 20 and Alaska’s 19. Southwest has 14 gates of its own; Delta 6; Alaska 6.
Where Southwest flies nonstop from SJC
25 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 |
|---|---|---|
| San DiegoSAN | 10/day | Alaska (5-6/day) |
| Las VegasLAS | 9-10/day | Frontier (1/day), Delta (2-3/week) |
| Orange CountySNA | 7-8/day | none seen |
| BurbankBUR | 6/day | none seen |
| Los AngelesLAX | 6/day | Delta (7/day), Frontier (4-5/week) |
| PhoenixPHX | 5-6/day | American (3/day) |
| DenverDEN | 4/day | United (2-3/day) |
| Long BeachLGB | 3-4/day | none seen |
| Ontario, CAONT | 3-4/day | none seen |
| SeattleSEA | 2-3/day | Alaska (5-6/day), Delta (4-5/day) |
| AustinAUS | 2-3/day | none seen |
| Portland, ORPDX | 2-3/day | Alaska (4-5/day) |
| Chicago MidwayMDW | 2/day | none seen |
| BoiseBOI | 1-2/day | Alaska (1/day) |
| BaltimoreBWI | 1/day | none seen |
| Dallas Love FieldDAL | 1/day | none seen |
| HonoluluHNL | 1/day | Alaska (1/day) |
| Houston HobbyHOU | 1/day | none seen |
| NashvilleBNA | 1/day | none seen |
| Eugene, OREUG | 4-5/week | none seen |
| Palm SpringsPSP | 4-5/week | none seen |
| RenoRNO | 4-5/week | none seen |
| Salt Lake CitySLC | 4-5/week | Delta (4-5/day) |
| SpokaneGEG | 4-5/week | none seen |
| OaklandOAK | 2-3/week | none seen |
When Southwest flies at SJC
- First departure of the day usually around 6:00 am, the last around 11:00 pm.
- Busiest hour: 6:00 am–7:00 am, with about 13 of its arrivals and departures.
- About 9 of its aircraft spend the night at SJC (arrive in the evening, leave the next morning).
Southwest’s aircraft at SJC
| Aircraft | Departures | Seats each |
|---|---|---|
| 737-700 | 34/day | 143 |
| 737 MAX 8 | 30/day | 175 |
| 737-800 | 12/day | 175 |
About 12,106 seats leave SJC on Southwest each day. Of the gates it holds, 14 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Southwest’s gates at SJC
Terminal B 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, XXXX
Held = the airline flying the gate most (regional partners count as their brand).
About this data
Based on 3 full days of flights at SJC, 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 SJC: questions
What terminal is Southwest at San Jose Airport (SJC)?
Southwest flies from Terminal B at San Jose Airport (SJC).
What gates does Southwest use at SJC?
Southwest has 14 gates at SJC (the airline flying each one most): 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 and 2 more. It used 13 gates in all over Oct 3–5, 2026.
How many flights a day does Southwest have from SJC?
About 75 departures a day and 12,106 seats, averaged over Oct 3–5, 2026.
Where does Southwest fly nonstop from SJC?
Southwest flies nonstop to 25 cities from SJC, the most often to San Diego, Las Vegas, Orange County, Los Angeles, Burbank and Phoenix. Routes seen Oct 3–5, 2026.
When is Southwest’s first flight out of SJC?
Usually around 6:00 am; the last leaves around 11:00 pm.
Other airlines at SJC
All of SJC’s gates by airline · Southwest at every airport we map · Nonstop routes from SJC