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

🇺🇸 N910DU - Boeing 737NG 900ER/W - Delta Air Lines DAL2981/DL2981, Hartsfield - Jackson Atlanta (ATL) to Minneapolis-St Paul/Wold-Chamberlain (MSP) - 4.4 mi away @ 37925 ft, heading NNW at 514 mph. Spotted 18x before! [05:08:32 PM CDT] #AC9709 #N910DU #B739 #DELTA #DAL2981 #DL2981 #ADSB #ADSBbot