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

🇬🇧 G-XWBB - Airbus A350 1041 - British Airways BAW3GB/BA3GB, Phoenix Sky Harbor (PHX) to London Heathrow (LHR) - 4.1 mi away @ 36025 ft, heading ENE at 670 mph. Spotted once before. [11:50:48 PM CST] #407798 #G_XWBB #A35K #SPEEDBIRD #BAW3GB #BA3GB #ADSB #ADSBbot