UA 2356 then UA 545 at San Francisco
Las Vegas → San Francisco → Austin
Timetable, San Francisco time
08:59UA 2356 from Las Vegas at the gatealso AC 3488, OZ 6341, CA 7252, NH 7309, VA 8128, NZ 9236
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
23 h 41 apart on the timetable, overnight
UA 545 leaves 23 h 41 after UA 2356 arrives on the timetable: more than half a day, so not a connection we count.