AF 2251 then VA 8085 at San Francisco
Seattle → San Francisco → Houston
Timetable, San Francisco time
20:18AF 2251 from Seattle at the gatealso WS 8631
16:40VA 8085 to Houston leaves the gate
20 h 22 apart on the timetable, overnight
VA 8085 leaves 20 h 22 after AF 2251 arrives on the timetable: more than half a day, so not a connection we count.