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

🇺🇸 N77295 - Boeing 737NG 824/W - United Airlines UAL2028/UA2028, Pittsburgh (PIT) to Denver (DEN) - 4.2 mi away @ 36200 ft, heading WSW at 499 mph. Spotted 10x before! [04:51:41 PM CDT] #AA7426 #N77295 #B738 #UNITED #UAL2028 #UA2028 #ADSB #ADSBbot