UA 2754 then DL 1927 at San Francisco
Minneapolis → San Francisco → Detroit
Timetable, San Francisco time
19:33UA 2754 from Minneapolis at the gatealso OZ 6312, VA 8253, NZ 9438
13:32DL 1927 to Detroit leaves the gatealso WS 7374, MU 8702
17 h 59 apart on the timetable, overnight
DL 1927 leaves 17 h 59 after UA 2754 arrives on the timetable: more than half a day, so not a connection we count.