Sun Country · SEA
What gates does Sun Country use at Seattle Airport (SEA)?
Sun Country uses gates S1, S1B, S2, S3 and S4 at Seattle Airport (SEA), mainly in Concourses S, D and A, with about 5-6 departures a week (Oct 1–21, 2026). By departures: Concourses S (82% of its departures), D (9%) and A (9%).
Based on 28 Sun Country flights at SEA, Oct 1–21, 2026 (full days)
How Sun Country compares at SEA
- 27th of the 34 airlines with regular flights at SEA by departures: under 1% of them (5-6 departures a week of about 587 a day).
- 0% of the seats leaving SEA: about 140 a day, 186 per departure.
- Median turn at the gate: 75 min, the same as the airport median (75 min).
- At SEA, Sun Country’s 5-6 departures a week compare with Air France’s 5-6 and Singapore Airlines’ 5-6.
Where Sun Country 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 |
|---|---|---|
| Minneapolis/St. PaulMSP | 4-5/week | Delta (5/day), Alaska (2-3/day), United (under 1/week) |
| MontrealYUL | under 1/week | none seen |
When Sun Country flies at SEA
- Flies on some days only: seen on Mondays, Wednesdays, Thursdays, Fridays, Saturdays and Sundays (10 of the 16 full days collected).
Sun Country’s aircraft at SEA
| Aircraft | Departures | Seats each |
|---|---|---|
| 737-800 | 5-6/week | 186 |
About 140 seats leave SEA on Sun Country each day. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Sun Country’s gates at SEA
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| S1 | Common use | Delta, Alaska, Air Canada, Frontier |
| S1B | Common use | Frontier, WestJet, American, Air Canada |
| S2 | Common use | Delta, American, Alaska, Volaris |
| S3 | Common use | Delta, Alaska, United, Volaris |
| S4 | Common use | Alaska, Delta, Icelandair, United |
About this data
Based on 16 full days of flights at SEA, Oct 1–21, 2026. Gates of its own are the gates where Sun Country flies the most (regional partners count as their brand). Every one of its departures has a seat count.
Sun Country at SEA: questions
What terminal is Sun Country at Seattle Airport (SEA)?
Sun Country flies from Concourses S, D and A at Seattle Airport (SEA). By departures: Concourses S (82% of its departures), D (9%) and A (9%).
What gates does Sun Country use at SEA?
S1, S1B, S2, S3 and S4, gates it shares with other airlines (Oct 1–21, 2026).
How many flights a day does Sun Country have from SEA?
About 5-6 departures a week and 140 seats, averaged over Oct 1–21, 2026.
Where does Sun Country fly nonstop from SEA?
Sun Country flies nonstop to 2 cities from SEA, the most often to Minneapolis/St. Paul and Montreal. Routes seen Oct 1–21, 2026.
Does Sun Country share gates at SEA?
Yes: 5 gates it uses are shared or used most by another airline, e.g. gate S1 with Delta, Alaska, Air Canada and Frontier.
Other airlines at SEA
All of SEA’s gates by airline · Sun Country at every airport we map · Nonstop routes from SEA