AC 3554 then UA 3912 at San Francisco
Kahului → San Francisco → Houston
Timetable, San Francisco time
06:19AC 3554 from Kahului at the gatealso LH 9205
23:00UA 3912 to Houston leaves the gate
16 h 41 apart on the timetable
UA 3912 leaves 16 h 41 after AC 3554 arrives on the timetable: more than half a day, so not a connection we count.