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 ACA7328/AC7328 - 4.7 mi away @ 37925 ft, heading SW at 519 mph. Spotted 6x before! [01:39:41 PM CDT] #C04EB6 #C_GDUZ #B763 #AIR_CANADA #ACA7328 #AC7328 #ADSB #ADSBbot