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

🇨🇦 C-GPFT - Boeing 737MAX 8 - WestJet WJA1434/WS1434, Vancouver (YVR) to Nashville (BNA) - 4.6 mi away @ 38400 ft, heading ESE at 604 mph. Spotted 2x before! [04:10:33 PM CDT] #C06CDA #C_GPFT #B38M #WESTJET #WJA1434 #WS1434 #ADSB #ADSBbot