Y4 2770 then VA 8079 at San Francisco
Las Vegas → San Francisco → Houston
Timetable, San Francisco time
12:52Y4 2770 from Las Vegas at the gatealso F9 4401
12:00VA 8079 to Houston leaves the gatealso NZ 9195
23 h 08 apart on the timetable, overnight
VA 8079 leaves 23 h 08 after Y4 2770 arrives on the timetable: more than half a day, so not a connection we count.