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

🇺🇸 N837AM - Boeing 737MAX 9 - AeroMexico AMX683/AM683, Chicago O'Hare (ORD) to Licenciado Benito Juarez (MEX) - 4.1 mi away @ 34300 ft, heading SSW at 457 mph. Spotted 4x before. [07:38:48 AM CST] #AB7267 #N837AM #B39M #AMX683 #AM683 #ADSB #ADSBbot