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

🇺🇸 N8515X - Boeing 737NG 800/W - Southwest Airlines SWA3130/WN3130, St Louis Lambert (STL) to Miami (MIA) - 3.5 mi away @ 9500 ft, heading SSE at 357 mph. Spotted 75x before. [06:22:47 PM CST] #ABAE2C #N8515X #B738 #SOUTHWEST #SWA3130 #WN3130 #Landing #Departure #ADSB #ADSBbot