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

🇺🇸 N73251 - Boeing 737NG 824/W - United Airlines UAL560/UA560, Dallas-Fort Worth (DFW) to Newark Liberty (EWR) - 4.6 mi away @ 34600 ft, heading NE at 625 mph. Spotted 15x before! [04:09:52 PM CST] #A9D59A #N73251 #B738 #UNITED #UAL560 #UA560 #ADSB #ADSBbot