DL 988 then DL 2735 at Atlanta
New York LaGuardia → Atlanta → Hartford
Timetable, Atlanta time
16:28DL 988 from New York LaGuardia at the gate
15:40DL 2735 to Hartford leaves the gate
23 h 12 apart on the timetable, overnight
DL 2735 leaves 23 h 12 after DL 988 arrives on the timetable: more than half a day, so not a connection we count.