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

🇲🇽 XA-ACS - Embraer EMB-190 LR - AeroMexico Connect SLI2609, Detroit Metro Wayne County (DTW) to Queretaro Intercontinental (QRO) - 4.2 mi away @ 35600 ft, heading SW at 392 mph. Spotted 3x before! [11:06:42 AM CST] #0D06FD #XA_ACS #E190 #COSTERA #SLI2609 #autopilot #ADSB #ADSBbot