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

🇬🇧 G-ZBLG - Boeing 787 10 - British Airways BAW26E/BA26E, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 5.1 mi away @ 42375 ft, heading SSW at 546 mph. Spotted 5x before! [11:43:06 AM CDT] #407AF2 #G_ZBLG #B78X #SPEEDBIRD #BAW26E #BA26E #autopilot #ADSB #ADSBbot

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

🇬🇧 G-ZBLG - Boeing 787 10 - British Airways BAW26E/BA26E, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.9 mi away @ 38725 ft, heading SSW at 538 mph. Spotted 4x before! [11:42:50 AM CDT] #407AF2 #G_ZBLG #B78X #SPEEDBIRD #BAW26E #BA26E #autopilot #ADSB #ADSBbot