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

🇺🇸 N29975 - Boeing 787 9 - United Airlines UAL2679/UA2679, Newark Liberty (EWR) to Los Angeles (LAX) - 4.6 mi away @ 40400 ft, heading W at 584 mph. Spotted once before! [10:55:12 AM CDT] #A31A54 #N29975 #B789 #UNITED #UAL2679 #UA2679 #autopilot #ADSB #ADSBbot