UA 1970 then AS 776 at San Francisco
Cleveland → San Francisco → Las Vegas
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
13:47AS 776 to Las Vegas leaves the gatealso DE 5109, AA 7518, BA 7559, CX 7856
16 h 02 apart on the timetable, overnight
AS 776 leaves 16 h 02 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.