🇺🇸 N857DZ - Boeing 737NG 932ER/W - Delta Air Lines DAL1571/DL1571, St Louis Lambert (STL) to Hartsfield/Jackson Atlanta (ATL) - 3.9 mi away @ 7450 ft, heading S at 323 mph. Spotted 24x before. [10:23:50 AM CDT] #ABC1BC #N857DZ #B739 #DELTA #DAL1571 #DL1571 #TakingOff #Departure #ADSB #ADSBbot