UA 582 then VA 8079 at San Francisco
Boston → San Francisco → Houston
Timetable, San Francisco time
12:09UA 582 from Boston at the gate
12:00VA 8079 to Houston leaves the gatealso NZ 9195
23 h 51 apart on the timetable, overnight
VA 8079 leaves 23 h 51 after UA 582 arrives on the timetable: more than half a day, so not a connection we count.