DL 2461 then DL 490 at Atlanta
Dayton → Atlanta → New York LaGuardia
Timetable, Atlanta time
20:33DL 2461 from Dayton at the gate
20:30DL 490 to New York LaGuardia leaves the gate
23 h 57 apart on the timetable, overnight
DL 490 leaves 23 h 57 after DL 2461 arrives on the timetable: more than half a day, so not a connection we count.