DL 4097 then DL 3026 at Atlanta
South Bend → Atlanta → Huntsville
Timetable, Atlanta time
16:02DL 4097 from South Bend at the gate
15:57DL 3026 to Huntsville leaves the gate
23 h 55 apart on the timetable, overnight
DL 3026 leaves 23 h 55 after DL 4097 arrives on the timetable: more than half a day, so not a connection we count.