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

🇨🇦 C-GJLS - Boeing 737NG 800/W - WestJet WJA1590/WS1590, Calgary (YYC) to Hartsfield - Jackson Atlanta (ATL) - 4.7 mi away @ 38950 ft, heading SE at 547 mph. Spotted 4x before! [02:09:43 PM CDT] #C05D9D #C_GJLS #B738 #WESTJET #WJA1590 #WS1590 #ADSB #ADSBbot