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

🇨🇦 C-GDMP - Boeing 737NG 8CT/W - WestJet WJA1426/WS1426, Calgary (YYC) to Nashville (BNA) - 4.5 mi away @ 38425 ft, heading SE at 568 mph. Spotted once before! [03:24:52 PM CDT] #C04DDC #C_GDMP #B738 #WESTJET #WJA1426 #WS1426 #ADSB #ADSBbot