DL 2596 then DL 916 at Detroit
Newark → Detroit → Las Vegas
Timetable, Detroit time
08:04DL 2596 from Newark at the gate
20:05DL 916 to Las Vegas leaves the gate
12 h 01 apart on the timetable
DL 916 leaves 12 h 01 after DL 2596 arrives on the timetable: more than half a day, so not a connection we count.