UA 1341 then JL 1 at San Francisco
Detroit → San Francisco → Tokyo Haneda
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
12:50JL 1 to Tokyo Haneda leaves the gatealso AS 7321, AA 8400, MH 9101
17 h 19 apart on the timetable, overnight
JL 1 leaves 17 h 19 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.