UA 225 then VA 8085 at San Francisco
Philadelphia → San Francisco → Houston
Timetable, San Francisco time
20:00UA 225 from Philadelphia at the gatealso VA 8238, NZ 9366
16:40VA 8085 to Houston leaves the gate
20 h 40 apart on the timetable, overnight
VA 8085 leaves 20 h 40 after UA 225 arrives on the timetable: more than half a day, so not a connection we count.