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

🇬🇧 G-YMMO - Boeing 777 236ER - British Airways BAW26E/BA26E, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.9 mi away @ 39350 ft, heading SSW at 559 mph. Spotted 4x before. [12:03:22 PM CST] #4007FA #G_YMMO #B772 #SPEEDBIRD #BAW26E #BA26E #ADSB #ADSBbot

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

🇬🇧 G-YMMO - Boeing 777 236ER - British Airways BAW91C/BA91C, London Heathrow (LHR) to Austin-Bergstrom (AUS) - 5.0 mi away @ 39800 ft, heading SW at 479 mph. Spotted 3x before! [01:49:40 PM CDT] #4007FA #G_YMMO #B772 #SPEEDBIRD #BAW91C #BA91C #ADSB #ADSBbot

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

🇬🇧 G-YMMO - Boeing 777 236ER - British Airways BAW97A/BA97A, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.8 mi away @ 40125 ft, heading SSW at 533 mph. Spotted 2x before! [06:02:13 PM CST] #4007FA #G_YMMO #B772 #SPEEDBIRD #BAW97A #BA97A #ADSB #ADSBbot

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

🇬🇧 G-YMMO - Boeing 777 236ER - British Airways BAW97A/BA97A, London Heathrow (LHR) to George Bush Intcntl/Houston (IAH) - 4.4 mi away @ 36775 ft, heading SSW at 511 mph. Spotted once before! [06:22:41 PM CST] #4007FA #G_YMMO #B772 #SPEEDBIRD #BAW97A #BA97A #ADSB #ADSBbot