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

🇨🇦 C-GEIV - Boeing 737MAX 8 - Air Canada ACA1349/AC1349, Toronto Pearson (YYZ) to Licenciado Gustavo Diaz Ordaz (PVR) - 4.5 mi away @ 36250 ft, heading SW at 484 mph. Spotted 5x before. [09:39:51 AM CDT] #C0501E #C_GEIV #B38M #AIR_CANADA #ACA1349 #AC1349 #ADSB #ADSBbot