UA 571 then AS 718 at San Francisco
Atlanta → San Francisco → Las Vegas
Timetable, San Francisco time
11:24UA 571 from Atlanta at the gatealso VA 8403, NZ 9005
10:00AS 718 to Las Vegas leaves the gatealso QR 2140, QR 2176, CX 7932, AA 9434
22 h 36 apart on the timetable, overnight
AS 718 leaves 22 h 36 after UA 571 arrives on the timetable: more than half a day, so not a connection we count.