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

🇺🇸 N37465 - Boeing 737NG 924ER/W - United Airlines UAL1920/UA1920 (RDU-ORD-LAS) - 3.9 mi away @ 32375 ft, heading N at 583 mph. Spotted 15x before! [04:56:17 PM CDT] #A445EF #N37465 #B739 #UNITED #UAL1920 #UA1920 #ADSB #ADSBbot