DL 442 then AC 4579 at San Francisco
Detroit → San Francisco → Tucson
Timetable, San Francisco time
18:11DL 442 from Detroit at the gatealso KL 6917, WS 8595
08:22AC 4579 to Tucson leaves the gatealso UA 5433, NZ 9749
14 h 11 apart on the timetable, overnight
AC 4579 leaves 14 h 11 after DL 442 arrives on the timetable: more than half a day, so not a connection we count.