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

🇺🇸 N873BB - Boeing 787 8 - American Airlines AAL897/AA897, Philadelphia (PHL) to Los Angeles (LAX) - 4.7 mi away @ 40950 ft, heading W at 483 mph. Spotted 11x before! [08:17:24 PM CST] #AC0196 #N873BB #B788 #AMERICAN #AAL897 #AA897 #autopilot #ADSB #ADSBbot