DL 1407 then DL 1327 at Detroit
Raleigh-Durham → Detroit → San Francisco
Timetable, Detroit time
20:48DL 1407 from Raleigh-Durham at the gate
20:40DL 1327 to San Francisco leaves the gate
23 h 52 apart on the timetable, overnight
DL 1327 leaves 23 h 52 after DL 1407 arrives on the timetable: more than half a day, so not a connection we count.