🇲🇽 XA-GRS - AMX689/AM689, Chicago O'Hare (ORD) to Licenciado Benito Juarez (MEX) - 5.0 mi away @ 37550 ft, heading SW at 443 mph. Spotted 4x before. [03:05:44 AM CDT] #0D112E #XA_GRS #B38M #AMX689 #AM689 #ADSB #ADSBbot