TK 9588 then DL 940 at San Francisco
Portland (Oregon) → San Francisco → Detroit
Timetable, San Francisco time
15:15TK 9588 from Portland (Oregon) at the gate
13:30DL 940 to Detroit leaves the gatealso KL 7105, KL 7861
22 h 15 apart on the timetable, overnight
DL 940 leaves 22 h 15 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.