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

🇺🇸 N486UA - Airbus A320 232 - United Airlines UAL2342/UA2342, Denver (DEN) to Greenville Spartanburg (GSP) - 4.5 mi away @ 37350 ft, heading ESE at 540 mph. Spotted 30x before! [12:45:07 PM CDT] #A600A6 #N486UA #A320 #UNITED #UAL2342 #UA2342 #ADSB #ADSBbot