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

🇺🇸 N8876Q - Boeing 737MAX 8 - Southwest Airlines SWA4454/WN4454, St Louis Lambert (STL) to Denver (DEN) - 3.4 mi away @ 13425 ft, heading WNW at 346 mph. Spotted 92x before. [07:11:17 AM CDT] #AC3B0F #N8876Q #B38M #SOUTHWEST #SWA4454 #WN4454 #TakingOff #Departure #ADSB #ADSBbot