Southwest · SAN
What gates does Southwest use at San Diego Airport (SAN)?
Southwest uses 22 gates at San Diego Airport (SAN), mainly in Terminal 1, with about 114 departures a day (Sep 25 – Oct 21, 2026). It is the main airline at 15 of them.
Based on 3,720 Southwest flights at SAN, Sep 25 – Oct 21, 2026 (full days)

How Southwest compares at SAN
- 1st of the 17 airlines with regular flights at SAN by departures: 36% of them (114 departures a day of about 319 a day).
- 38% of the seats leaving SAN: about 18,475 a day, 162 per departure.
- 5.5 turns a day at each gate it turns planes at, 11% more than the airport’s 5.0.
- Median turn at the gate: 56 min, 3 min shorter than the airport median (59 min).
- At SAN, Southwest’s 114 departures a day compare with Alaska’s 97 and United’s 32. Southwest has 15 gates of its own; Alaska 10; United 6.
Where Southwest flies nonstop from SAN
47 nonstop destinations. Nonstop routes seen Sep 25 – Oct 21, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| San JoseSJC | 10/day | Alaska (5-6/day) |
| SacramentoSMF | 10/day | Alaska (5-6/day) |
| Las VegasLAS | 9-10/day | Alaska (5-6/day), Delta (1/day), Frontier (4-5/week) |
| PhoenixPHX | 8-9/day | American (4-5/day), Alaska (4/day), Frontier (6-7/week), United (2-3/week), JetBlue (1/week), Breeze (under 1/week), Delta (under 1/week) |
| OaklandOAK | 7-8/day | Alaska (3-4/day) |
| DenverDEN | 6-7/day | United (5-6/day), Alaska (2-3/day), Frontier (2/day) |
| San FranciscoSFO | 6/day | United (8-9/day), Alaska (6-7/day), Frontier (6-7/week), Delta (under 1/week) |
| AustinAUS | 4-5/day | Alaska (3-4/day), Sun Country (under 1/week) |
| Dallas Love FieldDAL | 4-5/day | none seen |
| NashvilleBNA | 3-4/day | none seen |
| RenoRNO | 3-4/day | Alaska (1-2/day) |
| Chicago MidwayMDW | 3/day | none seen |
| BaltimoreBWI | 2-3/day | Alaska (under 1/week) |
| Houston HobbyHOU | 2-3/day | Sun Country (under 1/week) |
| BoiseBOI | 2/day | Alaska (1-2/day) |
| HonoluluHNL | 2/day | Alaska (2-3/day) |
| Portland, ORPDX | 2/day | Alaska (5-6/day) |
| Salt Lake CitySLC | 2/day | Delta (4-5/day), Alaska (2-3/day) |
| SeattleSEA | 2/day | Alaska (7-8/day), Delta (4-5/day) |
| AlbuquerqueABQ | 1-2/day | United (under 1/week), Alaska (under 1/week) |
| FresnoFAT | 1-2/day | Alaska (4-5/day) |
| San AntonioSAT | 1-2/day | none seen |
| TucsonTUS | 1-2/day | none seen |
| OrlandoMCO | 1-2/day | Alaska (1-2/day) |
| Santa RosaSTS | 1-2/day | Alaska (2-3/day) |
| Kansas CityMCI | 1-2/day | Alaska (1/week), Delta (under 1/week) |
| Santa BarbaraSBA | 1/day | Alaska (1-2/day) |
| St. LouisSTL | 1/day | none seen |
| El PasoELP | 6-7/week | none seen |
| Eugene, OREUG | 6-7/week | Alaska (2/day) |
| IndianapolisIND | 6-7/week | none seen |
| TampaTPA | 6-7/week | Alaska (1/day) |
| BostonBOS | 6/week | JetBlue (2-3/day), Alaska (1-2/day), Delta (6/week) |
| Kahului (Maui)OGG | 6/week | Alaska (1-2/day) |
| Los CabosSJD | 6/week | Alaska (1-2/day) |
| New OrleansMSY | 5-6/week | none seen |
| OmahaOMA | 5-6/week | Alaska (under 1/week) |
| SpokaneGEG | 4-5/week | Alaska (1/day) |
| Colorado SpringsCOS | 3-4/week | none seen |
| MilwaukeeMKE | 3-4/week | Delta (1/week) |
| PittsburghPIT | 3-4/week | none seen |
| Columbus, OHCMH | 2-3/week | none seen |
| Long BeachLGB | 1-2/week | none seen |
| LubbockLBB | 1/week | none seen |
| Puerto VallartaPVR | 1/week | none seen |
| BozemanBZN | under 1/week | Alaska (2-3/week) |
| Oklahoma CityOKC | under 1/week | American (under 1/week) |
When Southwest flies at SAN
- First departure of the day usually around 6:15 am, the last around 10:55 pm.
- Busiest hour: 8:00 am–9:00 am, with about 16 of its arrivals and departures.
- About 9 of its aircraft spend the night at SAN (arrive in the evening, leave the next morning).
Southwest’s aircraft at SAN
| Aircraft | Departures | Seats each |
|---|---|---|
| 737 MAX 8 | 51/day | 175 |
| 737-700 | 38/day | 143 |
| 737-800 | 23/day | 175 |
| 737 | 1/week | not listed |
About 18,475 seats leave SAN on Southwest each day. Of the gates it holds, 15 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Southwest’s gates at SAN
Terminal 1 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115
Held = the airline flying the gate most (regional partners count as their brand).
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| 49 | Common use | Alaska, United, Delta, American |
| 50 | Common use | Alaska, American, United, Delta |
| 116 | Common use | Breeze |
| 117 | Common use | WestJet, Air Canada, Air Canada Rouge, Delta |
| 120 | Common use | JetBlue, Frontier, Sun Country |
| 121 | Held by JetBlue | JetBlue, Frontier |
| XXXX | Too few flights yet | – |
About this data
Based on 13 full days of flights at SAN, Sep 25 – Oct 21, 2026. Gates of its own are the gates where Southwest flies the most (regional partners count as their brand). 2% of its departures have no seat count yet, so seat numbers run low.
Southwest at SAN: questions
What terminal is Southwest at San Diego Airport (SAN)?
Southwest flies from Terminal 1 at San Diego Airport (SAN).
What gates does Southwest use at SAN?
Southwest has 15 gates at SAN (the airline flying each one most): 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112 and 3 more. It used 22 gates in all over Sep 25 – Oct 21, 2026.
How many flights a day does Southwest have from SAN?
About 114 departures a day and 18,475 seats, averaged over Sep 25 – Oct 21, 2026.
Where does Southwest fly nonstop from SAN?
Southwest flies nonstop to 47 cities from SAN, the most often to San Jose, Sacramento, Las Vegas, Phoenix, Oakland and Denver. Routes seen Sep 25 – Oct 21, 2026.
When is Southwest’s first flight out of SAN?
Usually around 6:15 am; the last leaves around 10:55 pm.
Does Southwest share gates at SAN?
Yes: 7 gates it uses are shared or used most by another airline, e.g. gate 49 with Alaska, United, Delta and American.
Other airlines at SAN
All of SAN’s gates by airline · Southwest at every airport we map · Nonstop routes from SAN