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

🇺🇸 N173AM - Boeing 737MAX 8 - AeroMexico AMX687/AM687, Chicago O'Hare (ORD) to Licenciado Benito Juarez (MEX) - 4.2 mi away @ 31625 ft, heading SSW at 490 mph. Spotted 4x before. [04:12:50 PM CST] #A1245E #N173AM #B38M #AMX687 #AM687 #ADSB #ADSBbot

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

🇺🇸 N173AM - Boeing 737MAX 8 - AeroMexico AMX689/AM689, Chicago O'Hare (ORD) to Licenciado Benito Juarez (MEX) - 4.3 mi away @ 37250 ft, heading SSW at 523 mph. Spotted 3x before! [02:55:04 AM CDT] #A1245E #N173AM #B38M #AMX689 #AM689 #ADSB #ADSBbot

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

🇺🇸 N173AM - Boeing 737MAX 8 - AeroMexico AMX687/AM687, Chicago O'Hare (ORD) to Licenciado Benito Juarez (MEX) - 19.3 mi away @ 36150 ft, heading SW at 472 mph. Spotted 2x before! [05:30:05 PM CDT] #A1245E #N173AM #B38M #AMX687 #AM687 #ADSB #ADSBbot

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

🇺🇸 N173AM - Boeing 737MAX 8 - AeroMexico AMX687/AM687, Chicago O'Hare (ORD) to Licenciado Benito Juarez (MEX) - 4.1 mi away @ 34075 ft, heading SSW at 514 mph. Spotted once before! [03:29:02 PM CST] #A1245E #N173AM #B38M #AMX687 #AM687 #ADSB #ADSBbot

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

🇺🇸 N173AM - Boeing 737MAX 8 - AeroMexico AMX653/AM653, Chicago O'Hare (ORD) to Don Miguel Hidalgo Y Costilla (GDL) - 4.1 mi away @ 34050 ft, heading SW at 374 mph. Spotted for first time! [02:43:35 PM CST] #A1245E #N173AM #B38M #AMX653 #AM653 #ADSB #ADSBbot