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

🇺🇸 N8613K - Boeing 737NG 8H4/W - Southwest Airlines SWA931/WN931, Nashville (BNA) to Seattle-Tacoma (SEA) - 4.6 mi away @ 37475 ft, heading NW at 463 mph. Spotted 62x before! [08:58:14 AM CDT] #ABD559 #N8613K #B738 #SOUTHWEST #SWA931 #WN931 #ADSB #ADSBbot