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

🇨🇦 C-GULN - Boeing 737MAX 8 - Lynx Air Alberta WJA2948/WS2948, Winnipeg James Armstrong Richardson (YWG) to Juan Gualberto Gomez (VRA) - 4.2 mi away @ 34100 ft, heading SSE at 567 mph. Spotted once before. [08:51:54 AM CST] #C07AA4 #C_GULN #B38M #DAUNTLESS #WJA2948 #WS2948 #ADSB #ADSBbot