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

🇨🇦 C-GDUZ - Boeing 767 38EERBDSF - Air Canada ACA7222/AC7222 (YYZ-ATL-DFW) - 5.0 mi away @ 37575 ft, heading SW at 517 mph. Spotted 5x before! [06:28:38 PM CDT] #C04EB6 #C_GDUZ #B763 #AIR_CANADA #ACA7222 #AC7222 #ADSB #ADSBbot