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

🇺🇸 N27724 - Boeing 737NG 724/W - United Airlines UAL2060/UA2060 (BOS-IAH-SNA) - 5.8 mi away @ 39850 ft, heading SW at 531 mph. Spotted 24x before! [06:36:02 PM CDT] #A2C338 #N27724 #B737 #UNITED #UAL2060 #UA2060 #ADSB #ADSBbot