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

🇨🇦 C-GWSO - Boeing 737NG 7CT/W - WestJet WJA1513/WS1513, Orlando (MCO) to Edmonton (YEG) - 4.3 mi away @ 35625 ft, heading NW at 479 mph. Spotted once before! [06:52:52 PM CST] #C080A3 #C_GWSO #B737 #WESTJET #WJA1513 #WS1513 #ADSB #ADSBbot