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

First Boeing 777 delivered in the world completes 30 years - Air Data News On May 15, 1995, United Airlines became the launch customer of the Boeing 777, receiving the first-ever production aircraft of the now-iconic widebody twinjet.

First Boeing 777 delivered in the world completes 30 years. #Boeing #Boeing777 #N777UA #UnitedAirlines www.airdatanews.com/first-boeing...

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

🇺🇸 N777UA - Boeing 777 222 - United Airlines UAL1728/UA1728 (RSW-IAD-DEN) - 4.5 mi away @ 37200 ft, heading W at 496 mph. Spotted 12x before! [07:04:30 PM CDT] #AA84CB #N777UA #B772 #UNITED #UAL1728 #UA1728 #ADSB #ADSBbot