CM 2458 then AC 4432 at San Francisco
Sacramento → San Francisco → Tucson
Timetable, San Francisco time
20:00CM 2458 from Sacramento at the gate
18:47AC 4432 to Tucson leaves the gatealso UA 5688, EK 6388, LH 9398, NZ 9747
22 h 47 apart on the timetable, overnight
AC 4432 leaves 22 h 47 after CM 2458 arrives on the timetable: more than half a day, so not a connection we count.