VA 8520 then VA 8079 at San Francisco
Boston → San Francisco → Houston
Timetable, San Francisco time
12:49VA 8520 from Boston at the gate
12:00VA 8079 to Houston leaves the gatealso NZ 9195
23 h 11 apart on the timetable, overnight
VA 8079 leaves 23 h 11 after VA 8520 arrives on the timetable: more than half a day, so not a connection we count.