🇺🇸 N8847Q - Boeing 737MAX 8 - Southwest Airlines SWA3404/WN3404, San Diego (SAN) to Baltimore/Washington Thurgood Marshall (BWI) - 4.8 mi away @ 39225 ft, heading E at 536 mph. Spotted 100x before. [12:00:44 PM CDT] #AC300D #N8847Q #B38M #SOUTHWEST #SWA3404 #WN3404 #ADSB #ADSBbot