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

🇨🇦 C-FWJS - Boeing 737NG 8CT/W - WestJet WJA1710/WS1710, Vancouver (YVR) to Orlando (MCO) - 4.6 mi away @ 39100 ft, heading ESE at 564 mph. Spotted 2x before! [02:25:40 PM CDT] #C03B15 #C_FWJS #B738 #WESTJET #WJA1710 #WS1710 #ADSB #ADSBbot