JetBlue · SEA
What gates does JetBlue use at Seattle Airport (SEA)?
JetBlue uses 15 gates at Seattle Airport (SEA), mainly in Concourse S, with about 2 departures a day (Oct 1–21, 2026).
Based on 72 JetBlue flights at SEA, Oct 1–21, 2026 (full days)

How JetBlue compares at SEA
- 8th of the 34 airlines with regular flights at SEA by departures: under 1% of them (2 departures a day of about 587 a day).
- 0% of the seats leaving SEA: about 362 a day, 181 per departure.
- Median turn at the gate: 70 min, 5 min shorter than the airport median (75 min).
- At SEA, JetBlue’s 2 departures a day compare with British Airways’ 2 and WestJet’s 2.
Where JetBlue flies nonstop from SEA
2 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 |
|---|---|---|
| BostonBOS | 1/day | Alaska (4/day), Delta (3-4/day) |
| New York JFKJFK | 1/day | Delta (4/day), Alaska (3-4/day) |
When JetBlue flies at SEA
- Flies on some days only: seen on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays and Sundays (15 of the 16 full days collected).
JetBlue’s aircraft at SEA
| Aircraft | Departures | Seats each |
|---|---|---|
| A320 | 1/day | 162 |
| A321 | 6-7/week | 200 |
| A321neo | under 1/week | 200 |
About 362 seats leave SEA on JetBlue each day. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
JetBlue’s gates at SEA
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| S2 | Common use | Delta, American, Alaska, Volaris |
| S2A | Too few flights yet | – |
| S3 | Common use | Delta, Alaska, United, Volaris |
| S3A | Common use | American, Southwest, Frontier, WestJet |
| S4 | Common use | Alaska, Delta, Icelandair, United |
| S4A | Common use | Southwest, Frontier, American, WestJet |
| S5 | Common use | Delta, Air Canada, United, Aeroméxico |
| S6 | Common use | United, Delta, Alaska, Air Canada |
| S6A | Common use | American, Southwest, WestJet, Frontier |
| S7 | Common use | Alaska, Delta, Japan Airlines, Virgin Atlantic |
| S7A | Common use | American |
| S9 | Common use | Delta, British Airways, Alaska, Condor |
| S9A | Common use | Delta, Alaska, United, Southwest |
| S10 | Common use | British Airways, Delta, Qatar Airways, Alaska |
| S10A | Too few flights yet | Southwest |
About this data
Based on 16 full days of flights at SEA, Oct 1–21, 2026. Gates of its own are the gates where JetBlue flies the most (regional partners count as their brand). Every one of its departures has a seat count.
JetBlue at SEA: questions
What terminal is JetBlue at Seattle Airport (SEA)?
JetBlue flies from Concourse S at Seattle Airport (SEA).
What gates does JetBlue use at SEA?
S2, S2A, S3, S3A, S4, S4A, S5, S6, S6A, S7 and 5 more, gates it shares with other airlines (Oct 1–21, 2026).
How many flights a day does JetBlue have from SEA?
About 2 departures a day and 362 seats, averaged over Oct 1–21, 2026.
Where does JetBlue fly nonstop from SEA?
JetBlue flies nonstop to 2 cities from SEA, the most often to New York JFK and Boston. Routes seen Oct 1–21, 2026.
Does JetBlue share gates at SEA?
Yes: 15 gates it uses are shared or used most by another airline, e.g. gate S2 with Delta, American, Alaska and Volaris.
Other airlines at SEA
All of SEA’s gates by airline · JetBlue at every airport we map · Nonstop routes from SEA