DL 5315 then DL 747 at JFK
Ithaca → New York → Los Angeles
Timetable, New York time
14:20DL 5315 from Ithaca at the gate
11:00DL 747 to Los Angeles leaves the gate
20 h 40 apart on the timetable, overnight
DL 747 leaves 20 h 40 after DL 5315 arrives on the timetable: more than half a day, so not a connection we count.