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

🇺🇸 N8309C - Boeing 737NG 8H4/W - Southwest Airlines SWA1984/WN1984 (ABQ-MDW-STL) - 4.4 mi away @ 37450 ft, heading ENE at 569 mph. Spotted 67x before! [04:54:32 PM CDT] #AB5BF0 #N8309C #B738 #SOUTHWEST #SWA1984 #WN1984 #ADSB #ADSBbot