DL 548 then DL 5023 at JFK
Phoenix → New York → Cincinnati
Timetable, New York time
06:07DL 548 from Phoenix at the gate
18:20DL 5023 to Cincinnati leaves the gate
12 h 13 apart on the timetable
DL 5023 leaves 12 h 13 after DL 548 arrives on the timetable: more than half a day, so not a connection we count.