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

🇺🇸 N8643A - Boeing 737NG 8H4/W - Southwest Airlines SWA5091/WN5091, Los Angeles (LAX) to Indianapolis (IND) - 4.4 mi away @ 35575 ft, heading E at 568 mph. Spotted 90x before. [01:11:31 AM CST] #ABE075 #N8643A #B738 #SOUTHWEST #SWA5091 #WN5091 #ADSB #ADSBbot