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

🇺🇸 N280WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3234/WN3234 (BWI-BHM-BNA-IND-PHX) - 4.5 mi away @ 39325 ft, heading WSW at 430 mph. Spotted 73x before! [08:01:51 PM CDT] #A2CFFC #N280WN #B737 #SOUTHWEST #SWA3234 #WN3234 #ADSB #ADSBbot