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

🇺🇸 N891UA - Airbus A319 132 - United Airlines UAL491/UA491 (IAH-MSY-ORD) - 3.6 mi away @ 27800 ft, heading NNE at 525 mph. Spotted 36x before. [01:17:25 PM CST] #AC4ACE #N891UA #A319 #UNITED #UAL491 #UA491 #ADSB #ADSBbot

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

🇺🇸 N839UA - Airbus A319 131 - United Airlines UAL491/UA491 (IAH-MSY-ORD) - 4.6 mi away @ 39175 ft, heading NNE at 526 mph. Spotted 40x before. [01:22:01 PM CST] #AB7B8C #N839UA #A319 #UNITED #UAL491 #UA491 #ADSB #ADSBbot