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

🇺🇸 N8600F - Boeing 737NG 8H4/W - Southwest Airlines SWA5051/WN5051, St Louis Lambert (STL) to Phoenix Sky Harbor (PHX) - 3.5 mi away @ 9050 ft, heading SW at 315 mph. Spotted 84x before! [03:57:57 PM CST] #ABD135 #N8600F #B738 #SOUTHWEST #SWA5051 #WN5051 #TakingOff #Departure #ADSB #ADSBbot