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

🇺🇸 N7734H - Boeing 737NG 7BD/W - Southwest Airlines SWA3389/WN3389 (PHX-LAS-BWI) - 4.7 mi away @ 37525 ft, heading E at 577 mph. Spotted 55x before! [04:58:07 PM CST] #AA7718 #N7734H #B737 #SOUTHWEST #SWA3389 #WN3389 #ADSB #ADSBbot