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

🇺🇸 N7858A - Boeing 737NG 79P/W - Southwest Airlines SWA3575/WN3575 (SAT-MCI-MKE-PHX) - 4.3 mi away @ 36150 ft, heading WSW at 491 mph. Spotted 52x before! [08:05:23 PM CDT] #AAA68A #N7858A #B737 #SOUTHWEST #SWA3575 #WN3575 #ADSB #ADSBbot