CM 1431 then TK 9591 at San Francisco
Redmond → San Francisco → Las Vegas
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
19:00TK 9591 to Las Vegas leaves the gate
21 h 41 apart on the timetable, overnight
TK 9591 leaves 21 h 41 after CM 1431 arrives on the timetable: more than half a day, so not a connection we count.