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

🇨🇦 C-GEKX - Boeing 737MAX 8 - Air Canada ACA788/AC788, Los Angeles (LAX) to Toronto Pearson (YYZ) - 4.2 mi away @ 36900 ft, heading ENE at 632 mph. Spotted 4x before! [04:34:28 PM CDT] #C05054 #C_GEKX #B38M #AIR_CANADA #ACA788 #AC788 #ADSB #ADSBbot