DL 4929 then DL 747 at JFK
Chicago O'Hare → New York → Los Angeles
Timetable, New York time
13:54DL 4929 from Chicago O'Hare at the gate
11:00DL 747 to Los Angeles leaves the gate
21 h 06 apart on the timetable, overnight
DL 747 leaves 21 h 06 after DL 4929 arrives on the timetable: more than half a day, so not a connection we count.