UA 216 then AC 3774 at San Francisco
Dallas-Fort Worth → San Francisco → Austin
Timetable, San Francisco time
12:42UA 216 from Dallas-Fort Worth at the gatealso AC 3154, VA 8519, NZ 9091
12:06AC 3774 to Austin leaves the gatealso NZ 9137
23 h 24 apart on the timetable, overnight
AC 3774 leaves 23 h 24 after UA 216 arrives on the timetable: more than half a day, so not a connection we count.