UA 1334 then VA 8085 at San Francisco
Seattle → San Francisco → Houston
Timetable, San Francisco time
21:50UA 1334 from Seattle at the gate
16:40VA 8085 to Houston leaves the gate
18 h 50 apart on the timetable, overnight
VA 8085 leaves 18 h 50 after UA 1334 arrives on the timetable: more than half a day, so not a connection we count.