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

🇺🇸 N821UA - Airbus A319 131 - United Airlines UAL485/UA485, Chicago O'Hare (ORD) to Ixtapa Zihuatanejo (ZIH) - 3.5 mi away @ 30000 ft, heading SW at 415 mph. Spotted 28x before. [10:31:38 AM CST] #AB3655 #N821UA #A319 #UNITED #UAL485 #UA485 #ADSB #ADSBbot

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

🇺🇸 N829UA - Airbus A319 131 - United Airlines UAL485/UA485, Chicago O'Hare (ORD) to Ixtapa Zihuatanejo (ZIH) - 3.9 mi away @ 32100 ft, heading SW at 385 mph. Spotted 37x before! [11:13:20 AM CST] #AB540D #N829UA #A319 #UNITED #UAL485 #UA485 #ADSB #ADSBbot