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

🇺🇸 N452WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3392/WN3392 (STL-SAN-SJC) - 5.1 mi away @ 15950 ft, heading WNW at 410 mph. Spotted 53x before! [05:43:34 PM CDT] #A57B8B #N452WN #B737 #SOUTHWEST #SWA3392 #WN3392 #ADSB #ADSBbot