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

🇺🇸 N76504 - Boeing 737NG 824/W - United Airlines UAL457C/UA457C (JAX-ORD-AUS) - 4.5 mi away @ 34425 ft, heading SW at 508 mph. Spotted 14x before. [08:39:36 PM CST] #AA5690 #N76504 #B738 #UNITED #UAL457C #UA457C #ADSB #ADSBbot

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

🇺🇸 N87512 - Boeing 737NG 824/W - United Airlines UAL457C/UA457C (JAX-ORD-AUS) - 4.6 mi away @ 29900 ft, heading SW at 380 mph. Spotted 20x before. [09:48:03 PM CST] #AC0B7F #N87512 #B738 #UNITED #UAL457C #UA457C #ADSB #ADSBbot