CM 2457 then TK 9591 at San Francisco
Sacramento → San Francisco → Las Vegas
Timetable, San Francisco time
21:41CM 2457 from Sacramento at the gatealso AC 4533, UA 5961, VA 8183
19:00TK 9591 to Las Vegas leaves the gate
21 h 19 apart on the timetable, overnight
TK 9591 leaves 21 h 19 after CM 2457 arrives on the timetable: more than half a day, so not a connection we count.