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

🇺🇸 N128AN - Airbus A321 231SL - American Airlines AAL3019/AA3019, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 5.3 mi away @ 35125 ft, heading SW at 467 mph. Spotted 5x before. [07:32:54 PM CDT] #A07177 #N128AN #A321 #AMERICAN #AAL3019 #AA3019 #ADSB #ADSBbot