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

🇨🇦 C-GLRN - Boeing 737NG 800/W - Smartwings Poland WJA2235/WS2235, Daniel Oduber Quiros (LIR) to Winnipeg James Armstrong Richardson (YWG) - 4.2 mi away @ 36975 ft, heading N at 549 mph. Spotted 3x before. [11:32:25 AM CST] #C0637C #C_GLRN #B738 #WJA2235 #WS2235 #ADSB #ADSBbot