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

🇺🇸 N924WN - Boeing 737NG 7H4/W - Southwest Airlines SWA4647/WN4647 (DCA-STL-PHX-LAX) - 3.3 mi away @ 6500 ft, heading SW at 308 mph. Spotted 76x before! [03:04:54 PM CST] #ACCF07 #N924WN #B737 #SOUTHWEST #SWA4647 #WN4647 #TakingOff #ADSB #ADSBbot