CM 2458 then TK 9591 at San Francisco
Sacramento → San Francisco → Las Vegas
Timetable, San Francisco time
20:00CM 2458 from Sacramento at the gate
19:00TK 9591 to Las Vegas leaves the gate
23 h apart on the timetable, overnight
TK 9591 leaves 23 h after CM 2458 arrives on the timetable: more than half a day, so not a connection we count.