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

🇺🇸 N976AN - Boeing 737NG 823/W - American Airlines AAL2539/AA2539 (LAX-CMH-LAX) - 4.3 mi away @ 34025 ft, heading W at 433 mph. Spotted 36x before! [06:21:53 PM CST] #AD99FC #N976AN #B738 #AMERICAN #AAL2539 #AA2539 #ADSB #ADSBbot