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

🇺🇸 N883UA - Airbus A319 132 - United Airlines UAL2420/UA2420 (SFO-DEN-TYS) - 4.8 mi away @ 39100 ft, heading E at 561 mph. Spotted 37x before! [01:23:29 PM CDT] #AC2ABD #N883UA #A319 #UNITED #UAL2420 #UA2420 #ADSB #ADSBbot