WN 1817 then VA 8085 at San Francisco
Denver → San Francisco → Houston
Timetable, San Francisco time
19:20WN 1817 from Denver at the gate
16:40VA 8085 to Houston leaves the gate
21 h 20 apart on the timetable, overnight
VA 8085 leaves 21 h 20 after WN 1817 arrives on the timetable: more than half a day, so not a connection we count.