UA 2210 then OZ 6315 at San Francisco
Sacramento → San Francisco → Washington
Timetable, San Francisco time
08:55UA 2210 from Sacramento at the gatealso VA 8016
21:28OZ 6315 to Washington leaves the gate
12 h 33 apart on the timetable
OZ 6315 leaves 12 h 33 after UA 2210 arrives on the timetable: more than half a day, so not a connection we count.