UA 2171 then VA 8085 at San Francisco
Newark → San Francisco → Houston
Timetable, San Francisco time
21:21UA 2171 from Newark at the gatealso VA 8515, NZ 9129
16:40VA 8085 to Houston leaves the gate
19 h 19 apart on the timetable, overnight
VA 8085 leaves 19 h 19 after UA 2171 arrives on the timetable: more than half a day, so not a connection we count.