Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N8916Q - Boeing 737MAX 8 - Southwest Airlines SWA4488/WN4488, Norman Y Mineta San Jose (SJC) to Baltimore/Washington Thurgood Marshall (BWI) - 4.8 mi away @ 39275 ft, heading ESE at 573 mph. Spotted 23x before! [02:19:51 AM CDT] #AC4C44 #N8916Q #B38M #SOUTHWEST #SWA4488 #WN4488 #ADSB #ADSBbot