WN 4259 then VA 8085 at San Francisco
San Diego → San Francisco → Houston
Timetable, San Francisco time
19:10WN 4259 from San Diego at the gate
16:40VA 8085 to Houston leaves the gate
21 h 30 apart on the timetable, overnight
VA 8085 leaves 21 h 30 after WN 4259 arrives on the timetable: more than half a day, so not a connection we count.