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

🇺🇸 N73445 - Boeing 737NG 924ER/W - United Airlines UAL404/UA404, George Bush Intcntl/Houston (IAH) to Newark Liberty (EWR) - 3.8 mi away @ 32750 ft, heading NE at 547 mph. Spotted 8x before! [09:54:10 PM CDT] #A9DCE9 #N73445 #B739 #UNITED #UAL404 #UA404 #ADSB #ADSBbot