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

🇺🇸 N809UA - Airbus A319 131 - United Airlines UAL3929/UA3929 - 4.9 mi away @ 41100 ft, heading NE at 589 mph. Spotted 21x before! [08:11:34 PM CDT] #AB050F #N809UA #A319 #UNITED #UAL3929 #UA3929 #ADSB #ADSBbot