DL 2478 then DL 4097 at Atlanta
Raleigh-Durham → Atlanta → South Bend
Timetable, Atlanta time
09:13DL 2478 from Raleigh-Durham at the gate
09:10DL 4097 to South Bend leaves the gate
23 h 57 apart on the timetable, overnight
DL 4097 leaves 23 h 57 after DL 2478 arrives on the timetable: more than half a day, so not a connection we count.