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

🇺🇸 N7855A - Boeing 737NG 79P/W - Southwest Airlines SWA3087/WN3087 (STL-LGB-LAS) - 3.5 mi away @ 17325 ft, heading WNW at 360 mph. Spotted 44x before! [01:33:19 PM CDT] #AAA621 #N7855A #B737 #SOUTHWEST #SWA3087 #WN3087 #ADSB #ADSBbot