WN 3502 then DL 940 at San Francisco
Phoenix → San Francisco → Detroit
Timetable, San Francisco time
15:30WN 3502 from Phoenix at the gate
13:30DL 940 to Detroit leaves the gatealso KL 7861, WS 8490
22 h apart on the timetable, overnight
DL 940 leaves 22 h after WN 3502 arrives on the timetable: more than half a day, so not a connection we count.