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

🇺🇸 N828UA - Airbus A319 131 - United Airlines UAL8104/UA8104, Chicago O'Hare (ORD) to Indianapolis (IND) - 5.4 mi away @ 33775 ft, heading SW at 425 mph. Spotted 28x before! [12:17:18 PM CST] #AB5056 #N828UA #A319 #UNITED #UAL8104 #UA8104 #ADSB #ADSBbot

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

🇺🇸 N801UA - Airbus A319 131 - United Airlines UAL8104/UA8104 (PBI-ORD-SAT) - 4.5 mi away @ 36575 ft, heading SW at 439 mph. Spotted 23x before! [09:26:28 PM CST] #AAE757 #N801UA #A319 #UNITED #UAL8104 #UA8104 #ADSB #ADSBbot