CM 2458 then UA 589 at San Francisco
Sacramento → San Francisco → Santa Ana
Timetable, San Francisco time
20:00CM 2458 from Sacramento at the gate
19:10UA 589 to Santa Ana leaves the gatealso CM 1474, AC 4186, LH 7594, VA 8490, NZ 9699
23 h 10 apart on the timetable, overnight
UA 589 leaves 23 h 10 after CM 2458 arrives on the timetable: more than half a day, so not a connection we count.