DL 2299 then DL 4097 at Atlanta
Louisville → Atlanta → South Bend
Timetable, Atlanta time
09:35DL 2299 from Louisville at the gate
09:10DL 4097 to South Bend leaves the gate
23 h 35 apart on the timetable, overnight
DL 4097 leaves 23 h 35 after DL 2299 arrives on the timetable: more than half a day, so not a connection we count.