UA 2358 then AC 3774 at San Francisco
Houston → San Francisco → Austin
Timetable, San Francisco time
12:19UA 2358 from Houston at the gatealso VA 8067, NZ 9214
12:06AC 3774 to Austin leaves the gatealso NZ 9137
23 h 47 apart on the timetable, overnight
AC 3774 leaves 23 h 47 after UA 2358 arrives on the timetable: more than half a day, so not a connection we count.