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

🇺🇸 N441WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3520/WN3520 (MDW-MKE-DAL-AUS-DEN) - 5.2 mi away @ 41000 ft, heading SW at 412 mph. Spotted 69x before. [01:44:06 PM CDT] #A55055 #N441WN #B737 #SOUTHWEST #SWA3520 #WN3520 #ADSB #ADSBbot