VN 98 then OZ 6315 at San Francisco
Ho Chi Minh City → San Francisco → Washington
Timetable, San Francisco time
17:00VN 98 from Ho Chi Minh City at the gate
16:52OZ 6315 to Washington leaves the gate
23 h 52 apart on the timetable, overnight
OZ 6315 leaves 23 h 52 after VN 98 arrives on the timetable: more than half a day, so not a connection we count.