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

🇺🇸 N799UA - Boeing 777 222ER - United Airlines UAL880/UA880, George Bush Intcntl/Houston (IAH) to London Heathrow (LHR) - 4.4 mi away @ 37275 ft, heading NNE at 592 mph. Spotted 3x before! [06:43:26 PM CDT] #AADB37 #N799UA #B772 #UNITED #UAL880 #UA880 #ADSB #ADSBbot

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

🇺🇸 N798UA - Boeing 777 222ER - United Airlines UAL880/UA880, George Bush Intcntl/Houston (IAH) to London Heathrow (LHR) - 5.1 mi away @ 36525 ft, heading NNE at 599 mph. Spotted 4x before! [06:06:29 PM CDT] #AAD780 #N798UA #B772 #UNITED #UAL880 #UA880 #ADSB #ADSBbot

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

🇺🇸 N223UA - Boeing 777 222ER - United Airlines UAL880/UA880, George Bush Intcntl/Houston (IAH) to London Heathrow (LHR) - 4.2 mi away @ 36275 ft, heading ENE at 618 mph. Spotted for first time! [06:11:37 PM CDT] #A1EDE9 #N223UA #B772 #UNITED #UAL880 #UA880 #ADSB #ADSBbot

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

🇺🇸 N77014 - Boeing 777 224ER - United Airlines UAL880/UA880, George Bush Intcntl/Houston (IAH) to London Heathrow (LHR) - 4.1 mi away @ 35625 ft, heading NNE at 628 mph. Spotted 19x before! [05:43:55 PM CDT] #AA6B9F #N77014 #B772 #UNITED #UAL880 #UA880 #ADSB #ADSBbot