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

🇺🇸 N829DN - Boeing 737NG 932ER/W - Delta Air Lines DAL1333/DL1333, Raleigh-Durham (RDU) to Salt Lake City (SLC) - 4.0 mi away @ 33550 ft, heading WNW at 526 mph. Spotted 16x before! [08:23:44 AM CDT] #AB52A2 #N829DN #B739 #DELTA #DAL1333 #DL1333 #ADSB #ADSBbot