DL 3737 then DL 1327 at Detroit
Milwaukee → Detroit → San Francisco
Timetable, Detroit time
20:59DL 3737 from Milwaukee at the gate
20:40DL 1327 to San Francisco leaves the gate
23 h 41 apart on the timetable, overnight
DL 1327 leaves 23 h 41 after DL 3737 arrives on the timetable: more than half a day, so not a connection we count.