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

🇲🇽 XA-MFM - Boeing 737MAX 8 - AeroMexico AMX681/AM681, Montréal-Pierre Elliott Trudeau (YUL) to Licenciado Benito Juarez (MEX) - 4.4 mi away @ 38150 ft, heading SSW at 513 mph. Spotted 2x before! [12:37:17 PM CDT] #0D0DB8 #XA_MFM #B38M #AEROMEXICO #AMX681 #AM681 #ADSB #ADSBbot

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

🇲🇽 XA-MFM - Boeing 737MAX 8 - AeroMexico AMX689/AM689, Chicago O'Hare (ORD) to Licenciado Benito Juarez (MEX) - 3.8 mi away @ 31450 ft, heading SSW at 493 mph. Spotted once before! [02:04:45 AM CST] #0D0DB8 #XA_MFM #B38M #AEROMEXICO #AMX689 #AM689 #ADSB #ADSBbot