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

🇺🇸 N702TW - Boeing 757 2Q8/W - Delta Air Lines DAL392/DL392 (LAX-DCA-LAX) - 4.3 mi away @ 35425 ft, heading W at 459 mph. Spotted for first time! [06:14:45 PM CDT] #A95DBA #N702TW #B752 #DELTA #DAL392 #DL392 #ADSB #ADSBbot