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 SWA1968/WN1968 (MCO-PHL-DEN) - 4.5 mi away @ 38025 ft, heading W at 480 mph. Spotted 74x before! [03:27:13 PM CDT] #ABB8A0 #N8540V #B738 #SOUTHWEST #SWA1968 #WN1968 #ADSB #ADSBbot