DL 442 then OZ 6303 at San Francisco
Detroit → San Francisco → Chicago O'Hare
Timetable, San Francisco time
18:11DL 442 from Detroit at the gatealso KL 6917, WS 8595
17:10OZ 6303 to Chicago O'Hare leaves the gate
22 h 59 apart on the timetable, overnight
OZ 6303 leaves 22 h 59 after DL 442 arrives on the timetable: more than half a day, so not a connection we count.