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

🇺🇸 N9018E - Airbus A319 115SL - American Airlines AAL2326/AA2326, Des Moines (DSM) to Dallas-Fort Worth (DFW) - 4.5 mi away @ 37675 ft, heading SSW at 551 mph. Spotted 20x before! [06:12:43 AM CDT] #AC7658 #N9018E #A319 #AMERICAN #AAL2326 #AA2326 #ADSB #ADSBbot