DL 5032 then DL 5638 at JFK
Savannah → New York → Milwaukee
Timetable, New York time
09:37DL 5032 from Savannah at the gate
22:19DL 5638 to Milwaukee leaves the gate
12 h 42 apart on the timetable
DL 5638 leaves 12 h 42 after DL 5032 arrives on the timetable: more than half a day, so not a connection we count.