Sun Country · IAD
What gates does Sun Country use at Washington Dulles Airport (IAD)?
Sun Country uses gate B75 at Washington Dulles Airport (IAD), mainly in Concourse B, with about 5-6 departures a week (Oct 3–21, 2026).
Based on 32 Sun Country flights at IAD, Oct 3–21, 2026 (full days)
How Sun Country compares at IAD
- 36th of the 46 airlines with regular flights at IAD by departures: under 1% of them (5-6 departures a week of about 355 a day).
- 0% of the seats leaving IAD: about 137 a day, 186 per departure.
- At IAD, Sun Country’s 5-6 departures a week compare with SAS’s 5-6 and KLM’s 6.
Where Sun Country flies nonstop from IAD
8 nonstop destinations. Nonstop routes seen Oct 3–21, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| Minneapolis/St. PaulMSP | 2-3/week | Delta (2-3/day), United (1/day) |
| Cedar RapidsCID | under 1/week | none seen |
| CincinnatiCVG | under 1/week | United (3/day) |
| Gulfport/BiloxiGPT | under 1/week | none seen |
| MiamiMIA | under 1/week | United (1/day), Delta (under 1/week) |
| NewarkEWR | under 1/week | United (5-6/day), Delta (under 1/week), Air Canada (under 1/week) |
| OrlandoMCO | under 1/week | United (5/day), Frontier (6-7/week) |
| Springfield, MOSGF | under 1/week | none seen |
When Sun Country flies at IAD
- Flies on some days only: seen on Mondays, Thursdays and Sundays (4 of the 19 full days collected).
Sun Country’s aircraft at IAD
| Aircraft | Departures | Seats each |
|---|---|---|
| 737-800 | 5-6/week | 186 |
About 137 seats leave IAD on Sun Country each day. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Sun Country’s gates at IAD
Gates it shares
| Gate | Who holds it | Other airlines there |
|---|---|---|
| B75 | Common use | Delta, Air Canada |
About this data
Based on 19 full days of flights at IAD, Oct 3–21, 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 IAD: questions
What terminal is Sun Country at Washington Dulles Airport (IAD)?
Sun Country flies from Concourse B at Washington Dulles Airport (IAD).
What gates does Sun Country use at IAD?
Gate B75, on every day collected (Oct 3–21, 2026).
How many flights a day does Sun Country have from IAD?
About 5-6 departures a week and 137 seats, averaged over Oct 3–21, 2026.
Where does Sun Country fly nonstop from IAD?
Sun Country flies nonstop to 8 cities from IAD, the most often to Minneapolis/St. Paul, Miami, Gulfport/Biloxi, Cedar Rapids, Newark and Orlando. Routes seen Oct 3–21, 2026.
Other airlines at IAD
All of IAD’s gates by airline · Sun Country at every airport we map · Nonstop routes from IAD