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

🇬🇧 G-ZBLK - BOEING Boeing 787-10 Dreamliner - British Airways BAW26E/BA26E, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.7 mi away @ 39325 ft, heading SSW at 470 mph. Spotted 3x before! [11:53:02 AM CDT] #4080BF #G_ZBLK #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-ZBLK - Boeing 787-10 Dreamliner - British Airways BAW26E/BA26E, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.8 mi away @ 40775 ft, heading SSW at 541 mph. Spotted 2x before! [12:51:40 PM CST] #4080BF #G_ZBLK #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-ZBLK - Boeing 787-10 Dreamliner - British Airways BAW26E/BA26E, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 5.7 mi away @ 37750 ft, heading SSW at 560 mph. Spotted once before! [12:10:42 PM CST] #4080BF #G_ZBLK #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-ZBLK - Boeing 787-10 Dreamliner - BAW26E/BA26E, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.8 mi away @ 38425 ft, heading SSW at 529 mph. Spotted for first time! [01:04:58 PM CST] #4080BF #G_ZBLK #B78X #BAW26E #BA26E #autopilot #ADSB #ADSBbot