Terminals · BWI
What terminal is Sun Country at BWI?
Sun Country departs from Terminal D at Baltimore/Washington International Thurgood Marshall Airport (BWI). We verified this against the airport's own sources on June 27, 2026 — airlines do move terminals, so we date every check.
Terminal D
BWI TSA wait times todayLive security waits by checkpoint, so you know when to leave for Terminal D.What terminal is Sun Country at BWI?
Sun Country departs from Terminal D at Baltimore/Washington International Thurgood Marshall Airport (BWI). Concourse D (shared domestic concourse; seasonal Minneapolis/St. Paul service). Verified June 27, 2026.
Where does Sun Country check in at BWI?
Ticketing on Main Terminal Upper Level (Departures); proceed via the D/E security checkpoint. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Did Sun Country move terminals at BWI?
Not that we've found. We confirmed Sun Country departs from Terminal D at BWI as of June 27, 2026. Airlines do shuffle terminals, so we re-check and date every change.
Not sure which building that is? See all BWI terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's BWI security wait, your drive, and the walk to your gate — so you leave with room to breathe.