VA 8388 then NH 107 at San Francisco
Washington → San Francisco → Tokyo Haneda
Timetable, San Francisco time
01:29VA 8388 from Washington at the gate
00:20NH 107 to Tokyo Haneda leaves the gatealso UA 7914
22 h 51 apart on the timetable, overnight
NH 107 leaves 22 h 51 after VA 8388 arrives on the timetable: more than half a day, so not a connection we count.