DL 5207 then DL 747 at JFK
Savannah → New York → Los Angeles
Timetable, New York time
13:12DL 5207 from Savannah at the gate
11:00DL 747 to Los Angeles leaves the gate
21 h 48 apart on the timetable, overnight
DL 747 leaves 21 h 48 after DL 5207 arrives on the timetable: more than half a day, so not a connection we count.