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

🇺🇸 N8984L - Southwest Airlines SWA975/WN975, Phoenix Sky Harbor (PHX) to St Louis Lambert (STL) - 3.3 mi away @ 8125 ft, heading E at 360 mph. Spotted 9x before. [07:27:19 PM CDT] #AC65FB #N8984L #B738 #SOUTHWEST #SWA975 #WN975 #Landing #Arrival #ADSB #ADSBbot