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

🇺🇸 N911DQ - Boeing 737NG 900ER/W - Delta Air Lines DAL686/DL686, Salt Lake City (SLC) to Raleigh-Durham (RDU) - 4.7 mi away @ 40800 ft, heading ESE at 588 mph. Spotted 13x before! [03:18:10 AM CDT] #AC9ABC #N911DQ #B739 #DELTA #DAL686 #DL686 #ADSB #ADSBbot

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

🇺🇸 N916DU - Boeing 737NG 900ER/W - Delta Air Lines DAL686/DL686, Salt Lake City (SLC) to Raleigh-Durham (RDU) - 4.1 mi away @ 34700 ft, heading E at 578 mph. Spotted 12x before! [03:20:10 AM CDT] #ACAD53 #N916DU #B739 #DELTA #DAL686 #DL686 #ADSB #ADSBbot