UA 1341 then AC 3774 at San Francisco
Detroit → San Francisco → Austin
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
12:06AC 3774 to Austin leaves the gatealso NZ 9137
16 h 35 apart on the timetable, overnight
AC 3774 leaves 16 h 35 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.