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

🇺🇸 N9018E - Airbus A319 115SL - American Airlines AAL2851/AA2851 (DFW-SDF-DFW) - 4.8 mi away @ 39200 ft, heading W at 421 mph. Spotted 19x before! [11:25:33 AM CDT] #AC7658 #N9018E #A319 #AMERICAN #AAL2851 #AA2851 #ADSB #ADSBbot