DL 5479 then DL 2603 at Detroit
Cincinnati → Detroit → New York LaGuardia
Timetable, Detroit time
09:22DL 5479 from Cincinnati at the gate
21:35DL 2603 to New York LaGuardia leaves the gate
12 h 13 apart on the timetable
DL 2603 leaves 12 h 13 after DL 5479 arrives on the timetable: more than half a day, so not a connection we count.