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

🇺🇸 N8966S - BOEING 737 MAX 8 - BOEING CO SWA6542/WN6542, St Louis Lambert (STL) to Harry Reid (LAS) - 3.4 mi away @ 8025 ft, heading WSW at 331 mph. Spotted once before! [04:41:38 PM CDT] #AC5ED9 #N8966S #B38M #SWA6542 #WN6542 #TakingOff #Departure #ADSB #ADSBbot