LX 38 then AC 5484 at San Francisco
Zurich → San Francisco → Austin
Timetable, San Francisco time
16:30LX 38 from Zurich at the gatealso UA 9728
16:20AC 5484 to Austin leaves the gate
23 h 50 apart on the timetable, overnight
AC 5484 leaves 23 h 50 after LX 38 arrives on the timetable: more than half a day, so not a connection we count.