UA 5599 then VA 8079 at San Francisco
Carlsbad → San Francisco → Houston
Timetable, San Francisco time
15:30UA 5599 from Carlsbad at the gate
12:00VA 8079 to Houston leaves the gatealso NZ 9195
20 h 30 apart on the timetable, overnight
VA 8079 leaves 20 h 30 after UA 5599 arrives on the timetable: more than half a day, so not a connection we count.