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

🇺🇸 N8855Q - Boeing 737MAX 8 - Southwest Airlines SWA2470/WN2470, St Louis Lambert (STL) to Denver (DEN) - 3.6 mi away @ 13550 ft, heading WNW at 375 mph. Spotted 67x before! [08:15:02 AM CDT] #AC337E #N8855Q #B38M #SOUTHWEST #SWA2470 #WN2470 #TakingOff #Departure #ADSB #ADSBbot