UA 2123 then VA 8085 at San Francisco
Denver → San Francisco → Houston
Timetable, San Francisco time
23:09UA 2123 from Denver at the gatealso AC 3451, VA 8356, NZ 9072
16:40VA 8085 to Houston leaves the gate
17 h 31 apart on the timetable, overnight
VA 8085 leaves 17 h 31 after UA 2123 arrives on the timetable: more than half a day, so not a connection we count.