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

🇨🇦 C-GUAC - Airbus A220 300 - Air Canada ACA1361/AC1361, Don Miguel Hidalgo Y Costilla (GDL) to Toronto Pearson (YYZ) - 4.5 mi away @ 35275 ft, heading ENE at 596 mph. Spotted 23x before. [12:04:35 PM CST] #C0797B #C_GUAC #BCS3 #AIR_CANADA #ACA1361 #AC1361 #ADSB #ADSBbot