🇺🇸 N1802U - Boeing 737MAX 8 - Southwest Airlines SWA208/WN208, Baltimore/Washington Thurgood Marshall (BWI) to Denver (DEN) - 4.8 mi away @ 40175 ft, heading W at 512 mph. Spotted 72x before. [08:36:03 AM CDT] #A1435D #N1802U #B38M #SOUTHWEST #SWA208 #WN208 #ADSB #ADSBbot