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

🇺🇸 N158AN - Airbus A321 231SL - American Airlines AAL1852/AA1852, Salt Lake City (SLC) to Charlotte/Douglas (CLT) - 4.3 mi away @ 36150 ft, heading ESE at 561 mph. Spotted 12x before! [03:16:07 AM CDT] #A0E7F4 #N158AN #A321 #AMERICAN #AAL1852 #AA1852 #ADSB #ADSBbot