UA 2278 then OZ 6315 at San Francisco
San Diego → San Francisco → Washington
Timetable, San Francisco time
21:25UA 2278 from San Diego at the gatealso CM 2519, AC 4236, OZ 6308, VA 8439
16:52OZ 6315 to Washington leaves the gate
19 h 27 apart on the timetable, overnight
OZ 6315 leaves 19 h 27 after UA 2278 arrives on the timetable: more than half a day, so not a connection we count.