UA 790 then UA 3912 at San Francisco
Dallas-Fort Worth → San Francisco → Houston
Timetable, San Francisco time
09:02UA 790 from Dallas-Fort Worth at the gatealso AC 3659, CA 7310, NH 7373, VA 8275, NZ 9090
23:00UA 3912 to Houston leaves the gate
13 h 58 apart on the timetable
UA 3912 leaves 13 h 58 after UA 790 arrives on the timetable: more than half a day, so not a connection we count.