British Airways · SEA
What gates does British Airways use at Seattle Airport (SEA)?
British Airways uses gates S9, S10, S11, S12 and S15 at Seattle Airport (SEA), mainly in Concourse S, with about 2 departures a day (Oct 1–21, 2026).
Based on 72 British Airways flights at SEA, Oct 1–21, 2026 (full days)

How British Airways compares at SEA
- 9th of the 34 airlines with regular flights at SEA by departures: under 1% of them (2 departures a day of about 587 a day).
- Median turn at the gate: 110 min, 36 min longer than the airport median (75 min).
- At SEA, British Airways’ 2 departures a day compare with JetBlue’s 2 and WestJet’s 2.
Where British Airways flies nonstop from SEA
1 nonstop destination. 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 |
|---|---|---|
| London HeathrowLHR | 2/day | Alaska (1/day), Delta (1/day), Virgin Atlantic (1/day) |
When British Airways flies at SEA
- Its departure usually leaves around 1:35 pm.
British Airways’ aircraft at SEA
| Aircraft | Departures | Seats each |
|---|---|---|
| 777-300ER | 1/day | not listed |
| 787-10 | 6/week | not listed |
| 787-9 | under 1/week | not listed |
Seats are capacity from each airline’s seat map per aircraft type, not passengers.
British Airways’ gates at SEA
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| S9 | Common use | Delta, Alaska, Condor, United |
| S10 | Common use | Delta, Qatar Airways, Alaska, Turkish Airlines |
| S11 | Common use | Delta, Alaska, Lufthansa, STARLUX |
| S12 | Common use | Delta, Alaska, EVA Air, Korean Air |
| S15 | Common use | Delta, Emirates, EVA Air, Icelandair |
About this data
Based on 16 full days of flights at SEA, Oct 1–21, 2026. Gates of its own are the gates where British Airways flies the most (regional partners count as their brand). Its departures have no seat count yet, so its seats aren’t counted.
British Airways at SEA: questions
What terminal is British Airways at Seattle Airport (SEA)?
British Airways flies from Concourse S at Seattle Airport (SEA).
What gates does British Airways use at SEA?
S9, S10, S11, S12 and S15, gates it shares with other airlines (Oct 1–21, 2026).
How many flights a day does British Airways have from SEA?
About 2 departures a day, averaged over Oct 1–21, 2026.
Where does British Airways fly nonstop from SEA?
British Airways flies nonstop to London Heathrow from SEA. Routes seen Oct 1–21, 2026.
Does British Airways share gates at SEA?
Yes: 5 gates it uses are shared or used most by another airline, e.g. gate S9 with Delta, Alaska, Condor and United.
Other airlines at SEA
All of SEA’s gates by airline · British Airways at every airport we map · Nonstop routes from SEA