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

🇺🇸 N819AN - Boeing 787 8 - American Airlines AAL9601/AA9601, Dallas-Fort Worth (DFW) to Philadelphia (PHL) - 4.6 mi away @ 39575 ft, heading NE at 678 mph. Spotted 5x before! [04:54:55 PM CST] #AB2AD8 #N819AN #B788 #AMERICAN #AAL9601 #AA9601 #autopilot #ADSB #ADSBbot