🇺🇸 N8771D - Boeing 737MAX 8 - Southwest Airlines SWA2127/WN2127, San Diego (SAN) to Baltimore/Washington Thurgood Marshall (BWI) - 5.1 mi away @ 38700 ft, heading E at 567 mph. Spotted 65x before. [11:57:47 AM CDT] #AC12D6 #N8771D #B38M #SOUTHWEST #SWA2127 #WN2127 #ADSB #ADSBbot