UA 1264 then UA 545 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
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
21 h 08 apart on the timetable, overnight
UA 545 leaves 21 h 08 after UA 1264 arrives on the timetable: more than half a day, so not a connection we count.