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

🇺🇸 N8884Q - Boeing 737MAX 8 - Southwest Airlines SWA2939/WN2939 (LAS-TUS-MDW) - 4.7 mi away @ 38350 ft, heading NNE at 564 mph. Spotted 49x before! [05:14:42 PM CDT] #AC3E80 #N8884Q #B38M #SOUTHWEST #SWA2939 #WN2939 #ADSB #ADSBbot