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

🇺🇸 N830UA - Airbus A319 131 - United Airlines UAL8122/UA8122 (YVR-SFO-IAH) - 4.0 mi away @ 31825 ft, heading SW at 473 mph. Spotted 28x before! [02:02:20 PM CST] #AB5A1D #N830UA #A319 #UNITED #UAL8122 #UA8122 #ADSB #ADSBbot