VA 8387 then VA 8085 at San Francisco
Washington → San Francisco → Houston
Timetable, San Francisco time
21:29VA 8387 from Washington at the gate
16:40VA 8085 to Houston leaves the gate
19 h 11 apart on the timetable, overnight
VA 8085 leaves 19 h 11 after VA 8387 arrives on the timetable: more than half a day, so not a connection we count.