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

🇺🇸 N243WN - Boeing 737NG 7H4/W - Southwest Airlines SWA2515/WN2515 (PIT-PHX-SAN-BOI-MDW) - 4.8 mi away @ 40150 ft, heading W at 510 mph. Spotted 61x before! [07:29:34 AM CDT] #A23D25 #N243WN #B737 #SOUTHWEST #SWA2515 #WN2515 #ADSB #ADSBbot