DL 5018 then DL 747 at JFK
Cleveland → New York → Los Angeles
Timetable, New York time
13:09DL 5018 from Cleveland at the gate
11:00DL 747 to Los Angeles leaves the gate
21 h 51 apart on the timetable, overnight
DL 747 leaves 21 h 51 after DL 5018 arrives on the timetable: more than half a day, so not a connection we count.