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

🇺🇸 N75425 - Boeing 737NG 924ER/W - United Airlines UAL381/UA381, Austin-Bergstrom (AUS) to Chicago O'Hare (ORD) - 4.2 mi away @ 34875 ft, heading NE at 559 mph. Spotted 9x before! [02:32:39 PM CDT] #AA2BA1 #N75425 #B739 #UNITED #UAL381 #UA381 #ADSB #ADSBbot

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

🇺🇸 N12218 - Boeing 737NG 824/W - United Airlines UAL381/UA381, Austin-Bergstrom (AUS) to Chicago O'Hare (ORD) - 5.2 mi away @ 38075 ft, heading NNE at 564 mph. Spotted 14x before! [03:28:13 PM CDT] #A05DBC #N12218 #B738 #UNITED #UAL381 #UA381 #ADSB #ADSBbot