UA 4722 then OZ 6345 at San Francisco
Redding → San Francisco → Reno
Timetable, San Francisco time
19:55UA 4722 from Redding at the gate
16:31OZ 6345 to Reno leaves the gate
20 h 36 apart on the timetable, overnight
OZ 6345 leaves 20 h 36 after UA 4722 arrives on the timetable: more than half a day, so not a connection we count.