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

🇺🇸 N777UA - Boeing 777 222 - United Airlines UAL2720/UA2720, Washington Dulles (IAD) to Los Angeles (LAX) - 5.3 mi away @ 37950 ft, heading WSW at 553 mph. Spotted 13x before! [09:27:10 AM CDT] #AA84CB #N777UA #B772 #UNITED #UAL2720 #UA2720 #ADSB #ADSBbot

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

🇺🇸 N779UA - Boeing 777 222 - United Airlines UAL2720/UA2720, Washington Dulles (IAD) to Los Angeles (LAX) - 3.6 mi away @ 29475 ft, heading W at 525 mph. Spotted 3x before! [09:14:31 AM CDT] #AA8C39 #N779UA #B772 #UNITED #UAL2720 #UA2720 #ADSB #ADSBbot

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

🇺🇸 N214UA - Boeing 777 222 - United Airlines UAL2720/UA2720, Washington Dulles (IAD) to Los Angeles (LAX) - 4.6 mi away @ 38050 ft, heading WSW at 535 mph. Spotted 4x before! [09:14:38 AM CDT] #A1CA21 #N214UA #B772 #UNITED #UAL2720 #UA2720 #ADSB #ADSBbot

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

🇺🇸 N66848 - Boeing 737NG 924ER/W - United Airlines UAL2720/UA2720, Washington Dulles (IAD) to Denver (DEN) - 4.8 mi away @ 36125 ft, heading W at 572 mph. Spotted 11x before! [05:31:27 PM CDT] #A8D4F6 #N66848 #B739 #UNITED #UAL2720 #UA2720 #ADSB #ADSBbot