DL 5216 then DL 5638 at JFK
Detroit → New York → Milwaukee
Timetable, New York time
08:56DL 5216 from Detroit at the gate
22:19DL 5638 to Milwaukee leaves the gate
13 h 23 apart on the timetable
DL 5638 leaves 13 h 23 after DL 5216 arrives on the timetable: more than half a day, so not a connection we count.