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

🇺🇸 N33289 - Boeing 737NG 824/W - United Airlines UAL1765/UA1765, Pittsburgh (PIT) to Denver (DEN) - 4.6 mi away @ 36000 ft, heading W at 484 mph. Spotted 22x before! [08:40:24 AM CDT] #A3A0CF #N33289 #B738 #UNITED #UAL1765 #UA1765 #ADSB #ADSBbot