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

🇬🇧 G-STBL - Boeing 777 336ER - British Airways BAW9A/BA9A, London Heathrow (LHR) to Dallas-Fort Worth (DFW) - 5.1 mi away @ 38575 ft, heading SW at 570 mph. Spotted 2x before! [02:10:27 PM CST] #406B05 #G_STBL #B77W #SPEEDBIRD #BAW9A #BA9A #ADSB #ADSBbot