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

🇺🇸 N8709Q - Boeing 737MAX 8 - Southwest Airlines SWA3311/WN3311, Baltimore/Washington Thurgood Marshall (BWI) to Harry Reid (LAS) - 5.2 mi away @ 41950 ft, heading W at 528 mph. Spotted 51x before! [08:41:39 PM CDT] #ABF9F8 #N8709Q #B38M #SOUTHWEST #SWA3311 #WN3311 #ADSB #ADSBbot