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

🇬🇧 G-STBH - Boeing 777 336ER - British Airways BAW97A/BA97A, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.7 mi away @ 37525 ft, heading SSW at 552 mph. Spotted once before! [05:31:37 PM CDT] #406948 #G_STBH #B77W #SPEEDBIRD #BAW97A #BA97A #ADSB #ADSBbot

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

🇬🇧 G-STBH - Boeing 777 336ER - British Airways BAW97A/BA97A, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.4 mi away @ 38100 ft, heading SSW at 540 mph. Spotted for first time! [06:02:43 PM CDT] #406948 #G_STBH #B77W #SPEEDBIRD #BAW97A #BA97A #ADSB #ADSBbot