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

🇺🇸 N27733 - Boeing 737NG 724/W - United Airlines UAL8190/UA8190 (SLC-DEN-CLE) - 4.2 mi away @ 33500 ft, heading SW at 476 mph. Spotted 26x before! [01:43:20 PM CST] #A2C35A #N27733 #B737 #UNITED #UAL8190 #UA8190 #ADSB #ADSBbot