WN 4254 then VA 8079 at San Francisco
Nashville → San Francisco → Houston
Timetable, San Francisco time
15:50WN 4254 from Nashville at the gate
12:00VA 8079 to Houston leaves the gatealso NZ 9195
20 h 10 apart on the timetable, overnight
VA 8079 leaves 20 h 10 after WN 4254 arrives on the timetable: more than half a day, so not a connection we count.