DL 4097 then DL 1700 at Atlanta
South Bend → Atlanta → Memphis
Timetable, Atlanta time
16:02DL 4097 from South Bend at the gate
15:45DL 1700 to Memphis leaves the gate
23 h 43 apart on the timetable, overnight
DL 1700 leaves 23 h 43 after DL 4097 arrives on the timetable: more than half a day, so not a connection we count.