Alaska · SFO
What gates does Alaska use at San Francisco Airport (SFO)?
Alaska uses 18 gates at San Francisco Airport (SFO), mainly in Terminal 1’s Concourses B and C, with about 57 departures a day (Oct 1–21, 2026). It is the main airline at 8 of them. By departures: Terminal 1’s Concourses B (89% of its departures) and C (11%).
Based on 2,247 Alaska flights at SFO, Oct 1–21, 2026 (full days)

How Alaska compares at SFO
- 2nd of the 53 airlines with regular flights at SFO by departures: 10% of them (57 departures a day of about 563 a day).
- 9% of the seats leaving SFO: about 8,011 a day, 141 per departure.
- 2.3 turns a day at each gate it turns planes at, 44% fewer than the airport’s 4.2.
- Median turn at the gate: 60 min, 19 min shorter than the airport median (79 min).
- 34% of its departures are regional jets, against 15% across SFO.
- At SFO, Alaska’s 57 departures a day compare with American’s 47 and Delta’s 45. Alaska has 8 gates of its own; American 7; Delta 8.
Where Alaska flies nonstop from SFO
24 nonstop destinations. Nonstop routes seen Oct 1–21, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| SeattleSEA | 8-9/day | United (7/day), Delta (5/day) |
| Orange CountySNA | 7-8/day | United (6-7/day), Frontier (3-4/week) |
| Los AngelesLAX | 6-7/day | United (12/day), American (7/day), Delta (6-7/day), Southwest (5-6/day), Frontier (1-2/day), JetBlue (under 1/week) |
| San DiegoSAN | 6-7/day | United (8-9/day), Southwest (6-7/day), Frontier (1/day), Delta (under 1/week) |
| Portland, ORPDX | 5-6/day | United (6-7/day), Delta (under 1/week) |
| Palm SpringsPSP | 3-4/day | United (4/day) |
| New York JFKJFK | 3-4/day | Delta (6-7/day), JetBlue (5-6/day), American (4-5/day) |
| Las VegasLAS | 2-3/day | United (8-9/day), Southwest (4/day), Frontier (3-4/day), Delta (1/week) |
| Everett, WAPAE | 2-3/day | none seen |
| HonoluluHNL | 2/day | United (5-6/day) |
| KonaKOA | 1/day | United (2/day) |
| BoiseBOI | 1/day | United (3-4/day) |
| Kahului (Maui)OGG | 1/day | United (4/day) |
| Lihue (Kauai)LIH | 1/day | United (1-2/day) |
| Los CabosSJD | 1/day | United (1-2/day) |
| Redmond/BendRDM | 1/day | United (2-3/day) |
| SpokaneGEG | 1/day | United (1-2/day) |
| Washington NationalDCA | 1/day | United (2/day) |
| OrlandoMCO | 6-7/week | United (2-3/day) |
| San JoseSJC | under 1/week | Delta (under 1/week), JetBlue (under 1/week), United (under 1/week) |
| DetroitDTW | under 1/week | Delta (4/day), United (1-2/day) |
| SacramentoSMF | under 1/week | United (3-4/day), Delta (under 1/week) |
| San FranciscoSFO | under 1/week | United (6-7/week), Singapore Airlines (under 1/week) |
| Santa RosaSTS | under 1/week | none seen |
When Alaska flies at SFO
- First departure of the day usually around 6:05 am, the last around 10:25 pm.
- Busiest hour: 4:00 pm–5:00 pm, with about 9 of its arrivals and departures.
- About 16 of its aircraft spend the night at SFO (arrive in the evening, leave the next morning).
Alaska’s aircraft at SFO
| Aircraft | Departures | Seats each |
|---|---|---|
| E175 | 20/day | 76 |
| 737 MAX 9 | 11/day | 178 |
| 737-900 | 11/day | 178 |
| 737-800 | 9/day | 159 |
| 737 MAX 8 | 3-4/day | 159 |
| A321 | 1-2/day | 189 |
| A330-200 | 6-7/week | 278 |
| A321neo | 1-2/week | 189 |
| 737-700 | 1/week | 124 |
About 8,011 seats leave SFO on Alaska each day. Of the gates it holds, 8 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Alaska’s gates at SFO
Terminal 1, Concourse C C1
Terminal 1, Concourse B B3, B6, B7, B8, B9, B12, B13
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 | Porter, Flair, United, American |
| B4 | Common use | United, Delta, American, JetBlue |
| B5 | Common use | United, STARLUX, Aer Lingus, American |
| B10 | Common use | United, Frontier, Delta, Copa |
| B11 | Common use | United, Condor, Delta, Porter |
| B14 | Held by Frontier | Frontier, American, JetBlue, Delta |
| B15 | Common use | United, American, Frontier, JetBlue |
| B16 | Common use | American, United, Delta, JetBlue |
| B19 | Held by American | American, JetBlue, Frontier, Porter |
| B20 | Common use | American, Sun Country, JetBlue, Frontier |
About this data
Based on 19 full days of flights at SFO, Oct 1–21, 2026. Gates of its own are the gates where Alaska flies the most (regional partners count as their brand). Every one of its departures has a seat count.
Alaska at SFO: questions
What terminal is Alaska at San Francisco Airport (SFO)?
Alaska flies from Terminal 1’s Concourses B and C at San Francisco Airport (SFO). By departures: Terminal 1’s Concourses B (89% of its departures) and C (11%).
What gates does Alaska use at SFO?
Alaska has 8 gates at SFO (the airline flying each one most): B12, B13, B3, B6, B7, B8, B9 and C1. It used 18 gates in all over Oct 1–21, 2026.
How many flights a day does Alaska have from SFO?
About 57 departures a day and 8,011 seats, averaged over Oct 1–21, 2026.
Where does Alaska fly nonstop from SFO?
Alaska flies nonstop to 24 cities from SFO, the most often to Seattle, Orange County, Los Angeles, San Diego, Portland, OR and Palm Springs. Routes seen Oct 1–21, 2026.
When is Alaska’s first flight out of SFO?
Usually around 6:05 am; the last leaves around 10:25 pm.
Does Alaska share gates at SFO?
Yes: 10 gates it uses are shared or used most by another airline, e.g. gate B2 with Porter, Flair, United and American.
Other airlines at SFO
All of SFO’s gates by airline · Alaska at every airport we map · Nonstop routes from SFO