🇺🇸 N8722L - Boeing 737MAX 8 - Southwest Airlines SWA4062/WN4062, Baltimore/Washington Thurgood Marshall (BWI) to Austin-Bergstrom (AUS) - 5.0 mi away @ 42375 ft, heading SW at 512 mph. Spotted 72x before. [04:53:30 PM CDT] #AC006D #N8722L #B38M #SOUTHWEST #SWA4062 #WN4062 #ADSB #ADSBbot