DL 5232 then UA 1341 at Detroit
Memphis → Detroit → San Francisco
Timetable, Detroit time
20:50DL 5232 from Memphis at the gate
17:05UA 1341 to San Francisco leaves the gate
20 h 15 apart on the timetable, overnight
UA 1341 leaves 20 h 15 after DL 5232 arrives on the timetable: more than half a day, so not a connection we count.