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

🇺🇸 N8308K - Boeing 737NG 8H4/W - Southwest Airlines SWA4472/WN4472, St Louis Lambert (STL) to Harry Reid (LAS) - 3.4 mi away @ 8425 ft, heading SW at 304 mph. Spotted 87x before. [01:53:41 PM CDT] #AB5BD4 #N8308K #B738 #SOUTHWEST #SWA4472 #WN4472 #TakingOff #Departure #ADSB #ADSBbot