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

🇺🇸 N837UA - Airbus A319 131 - United Airlines UAL396/UA396, Nashville (BNA) to Chicago O'Hare (ORD) - 4.6 mi away @ 37750 ft, heading NNE at 596 mph. Spotted 27x before! [10:08:18 PM CDT] #AB741E #N837UA #A319 #UNITED #UAL396 #UA396 #ADSB #ADSBbot