DL 381 then UA 3912 at San Francisco
Austin → San Francisco → Houston
Timetable, San Francisco time
09:04DL 381 from Austin at the gatealso AF 2230, KE 5388
23:00UA 3912 to Houston leaves the gate
13 h 56 apart on the timetable
UA 3912 leaves 13 h 56 after DL 381 arrives on the timetable: more than half a day, so not a connection we count.