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

🇺🇸 N775UA - Boeing 777 222 - United Airlines UAL1728/UA1728 (RSW-IAD-DEN) - 4.5 mi away @ 36900 ft, heading WSW at 498 mph. Spotted 5x before! [06:39:34 PM CDT] #AA7D5D #N775UA #B772 #UNITED #UAL1728 #UA1728 #ADSB #ADSBbot

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

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

🇺🇸 N212UA - Boeing 777 222 - United Airlines UAL1728/UA1728 (RSW-IAD-DEN) - 4.5 mi away @ 37875 ft, heading W at 484 mph. Spotted 2x before! [06:41:37 PM CDT] #A1C2B3 #N212UA #B772 #UNITED #UAL1728 #UA1728 #ADSB #ADSBbot