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

🇬🇧 G-ZBKH - Boeing 787 9 - British Airways BAW243/BA243, London Heathrow (LHR) to Licenciado Benito Juarez (MEX) - 5.0 mi away @ 39275 ft, heading SSW at 606 mph. Spotted 3x before! [05:48:20 PM CDT] #406F74 #G_ZBKH #B789 #SPEEDBIRD #BAW243 #BA243 #autopilot #ADSB #ADSBbot