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

🇨🇦 C-GNCH - Boeing 737NG 81D/W - Sunwing Airlines WJA4245/WS4245, Los Cabos (SJD) to Toronto Pearson (YYZ) - 4.6 mi away @ 37200 ft, heading NE at 551 mph. Spotted 7x before. [09:19:54 PM CDT] #C06738 #C_GNCH #B738 #SUNWING #WJA4245 #WS4245 #ADSB #ADSBbot