CM 2458 then OZ 6303 at San Francisco
Sacramento → San Francisco → Chicago O'Hare
Timetable, San Francisco time
18:57CM 2458 from Sacramento at the gate
18:42OZ 6303 to Chicago O'Hare leaves the gate
23 h 45 apart on the timetable, overnight
OZ 6303 leaves 23 h 45 after CM 2458 arrives on the timetable: more than half a day, so not a connection we count.