DL 1007 then DL 1700 at Atlanta
Washington National → Atlanta → Memphis
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
15:30DL 1700 to Memphis leaves the gate
17 h 49 apart on the timetable, overnight
DL 1700 leaves 17 h 49 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.