UA 796 then VA 8085 at San Francisco
Washington → San Francisco → Houston
Timetable, San Francisco time
19:24UA 796 from Washington at the gatealso VA 8391, NZ 9179
16:40VA 8085 to Houston leaves the gate
21 h 16 apart on the timetable, overnight
VA 8085 leaves 21 h 16 after UA 796 arrives on the timetable: more than half a day, so not a connection we count.