VA 8075 then AC 4579 at San Francisco
Houston → San Francisco → Tucson
Timetable, San Francisco time
19:58VA 8075 from Houston at the gate
08:22AC 4579 to Tucson leaves the gatealso UA 5433, NZ 9749
12 h 24 apart on the timetable, overnight
AC 4579 leaves 12 h 24 after VA 8075 arrives on the timetable: more than half a day, so not a connection we count.