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

🇨🇦 C-GVUH - Airbus A220 300 - Air Canada ACA763/AC763, Montréal-Pierre Elliott Trudeau (YUL) to San Francisco (SFO) - 4.1 mi away @ 35675 ft, heading WSW at 483 mph. Spotted 22x before! [06:31:26 PM CDT] #C07E2C #C_GVUH #BCS3 #AIR_CANADA #ACA763 #AC763 #ADSB #ADSBbot