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

🇺🇸 N69840 - Boeing 737NG 924ER/W - United Airlines UAL8265/UA8265 (RAP-DEN-SAN) - 3.9 mi away @ 31850 ft, heading SW at 531 mph. Spotted 13x before! [12:15:19 AM CDT] #A94B6B #N69840 #B739 #UNITED #UAL8265 #UA8265 #ADSB #ADSBbot