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

🇺🇸 N67815 - Boeing 737NG 924ER/W - United Airlines UAL548/UA548 (SAN-EWR-SFO) - 4.4 mi away @ 36200 ft, heading ENE at 568 mph. Spotted 10x before! [01:18:40 PM CDT] #A8FC09 #N67815 #B739 #UNITED #UAL548 #UA548 #ADSB #ADSBbot