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

🇺🇸 N8730Q - Boeing 737MAX 8 - Southwest Airlines SWA1233/WN1233, Baltimore/Washington Thurgood Marshall (BWI) to Harry Reid (LAS) - 4.8 mi away @ 39900 ft, heading W at 485 mph. Spotted 43x before! [11:41:28 PM CDT] #AC03E2 #N8730Q #B38M #SOUTHWEST #SWA1233 #WN1233 #ADSB #ADSBbot