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

🇺🇸 N946WN - Boeing 737NG 7H4/W - Southwest Airlines SWA2853/WN2853 (BWI-SAN-SMF) - 4.7 mi away @ 34425 ft, heading W at 497 mph. Spotted 58x before! [03:15:23 PM CDT] #AD2573 #N946WN #B737 #SOUTHWEST #SWA2853 #WN2853 #ADSB #ADSBbot