DL 4097 then DL 2739 at Atlanta
South Bend → Atlanta → Hartford
Timetable, Atlanta time
13:56DL 4097 from South Bend at the gate
13:53DL 2739 to Hartford leaves the gate
23 h 57 apart on the timetable, overnight
DL 2739 leaves 23 h 57 after DL 4097 arrives on the timetable: more than half a day, so not a connection we count.