UA 1924 then UA 545 at San Francisco
Las Vegas → San Francisco → Austin
Timetable, San Francisco time
13:15UA 1924 from Las Vegas at the gatealso AZ 4429, AC 4474, EK 6179, VA 8127, LH 9229, NZ 9245
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
19 h 25 apart on the timetable, overnight
UA 545 leaves 19 h 25 after UA 1924 arrives on the timetable: more than half a day, so not a connection we count.