AC 4510 then UA 3912 at San Francisco
Salt Lake City → San Francisco → Houston
Timetable, San Francisco time
10:28AC 4510 from Salt Lake City at the gatealso UA 5970, CA 7406, VA 8449
23:00UA 3912 to Houston leaves the gate
12 h 32 apart on the timetable
UA 3912 leaves 12 h 32 after AC 4510 arrives on the timetable: more than half a day, so not a connection we count.