🇺🇸 N8848Q - Boeing 737MAX 8 - Southwest Airlines SWA1417/WN1417, Phoenix Sky Harbor (PHX) to Baltimore/Washington Thurgood Marshall (BWI) - 5.3 mi away @ 39000 ft, heading ENE at 549 mph. Spotted 98x before. [11:16:30 AM CDT] #AC3030 #N8848Q #B38M #SOUTHWEST #SWA1417 #WN1417 #ADSB #ADSBbot