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

🇺🇸 N856DN - Boeing 737NG 932ER/W - Delta Air Lines DAL544/DL544, Detroit Metro Wayne County (DTW) to Harry Reid (LAS) - 4.2 mi away @ 36150 ft, heading WSW at 489 mph. Spotted 12x before! [07:19:28 PM CDT] #ABBDFA #N856DN #B739 #DELTA #DAL544 #DL544 #ADSB #ADSBbot