UA 1264 then UA 583 at San Francisco
Las Vegas → San Francisco → Austin
Timetable, San Francisco time
11:32UA 1264 from Las Vegas at the gatealso AC 3714, AZ 4443, NZ 9240, LH 9415
11:00UA 583 to Austin leaves the gatealso AC 4029, VA 8471, NZ 9119
23 h 28 apart on the timetable, overnight
UA 583 leaves 23 h 28 after UA 1264 arrives on the timetable: more than half a day, so not a connection we count.