UA 677 then VA 8085 at San Francisco
Seattle → San Francisco → Houston
Timetable, San Francisco time
19:38UA 677 from Seattle at the gate
16:40VA 8085 to Houston leaves the gate
21 h 02 apart on the timetable, overnight
VA 8085 leaves 21 h 02 after UA 677 arrives on the timetable: more than half a day, so not a connection we count.