UA 436 then VA 8085 at San Francisco
Pittsburgh → San Francisco → Houston
Timetable, San Francisco time
19:51UA 436 from Pittsburgh at the gatealso NZ 9396
16:40VA 8085 to Houston leaves the gate
20 h 49 apart on the timetable, overnight
VA 8085 leaves 20 h 49 after UA 436 arrives on the timetable: more than half a day, so not a connection we count.