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

🇺🇸 N8610A - Boeing 737NG 8H4/W - Southwest Airlines SWA1071/WN1071 (IND-DAL-LAX) - 4.7 mi away @ 40400 ft, heading SSW at 524 mph. Spotted 79x before! [07:36:33 PM CDT] #ABD4E7 #N8610A #B738 #SOUTHWEST #SWA1071 #WN1071 #ADSB #ADSBbot