DL 8849 then DL 926 at Atlanta
Memphis → Atlanta → Washington National
Timetable, Atlanta time
14:32DL 8849 from Memphis at the gate
07:25DL 926 to Washington National leaves the gate
16 h 53 apart on the timetable, overnight
DL 926 leaves 16 h 53 after DL 8849 arrives on the timetable: more than half a day, so not a connection we count.