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

🇨🇦 C-FSLU - Boeing 737MAX 8 - Air Canada ACA995/AC995, Montréal-Pierre Elliott Trudeau (YUL) to Licenciado Benito Juarez (MEX) - 4.5 mi away @ 37375 ft, heading SW at 565 mph. Spotted once before! [09:04:12 PM CDT] #C030BB #C_FSLU #B38M #AIR_CANADA #ACA995 #AC995 #ADSB #ADSBbot