AS 613 then UA 545 at San Francisco
Las Vegas → San Francisco → Austin
Timetable, San Francisco time
12:16AS 613 from Las Vegas at the gatealso QR 2995, QF 3750, AA 7419
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
20 h 24 apart on the timetable, overnight
UA 545 leaves 20 h 24 after AS 613 arrives on the timetable: more than half a day, so not a connection we count.