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

🇺🇸 N8706W - Boeing 737MAX 8 - Southwest Airlines SWA4465/WN4465, Baltimore/Washington Thurgood Marshall (BWI) to Phoenix Sky Harbor (PHX) - 4.2 mi away @ 35175 ft, heading W at 458 mph. Spotted 48x before. [07:26:26 AM CDT] #ABF995 #N8706W #B38M #SOUTHWEST #SWA4465 #WN4465 #ADSB #ADSBbot