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

🇺🇸 N8685B - Boeing 737NG 8H4/W - Southwest Airlines SWA2252/WN2252, St Louis Lambert (STL) to Sacramento (SMF) - 3.3 mi away @ 7750 ft, heading SW at 343 mph. Spotted 94x before. [09:48:58 AM CST] #ABEF98 #N8685B #B738 #SOUTHWEST #SWA2252 #WN2252 #TakingOff #Departure #ADSB #ADSBbot