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

🇺🇸 N8540V - Boeing 737NG 800/W - Southwest Airlines SWA1951/WN1951, San Diego (SAN) to St Louis Lambert (STL) - 3.3 mi away @ 8350 ft, heading E at 306 mph. Spotted 91x before! [12:51:00 PM CST] #ABB8A0 #N8540V #B738 #SOUTHWEST #SWA1951 #WN1951 #Landing #Arrival #ADSB #ADSBbot