UA 576 then NH 8407 at LAX
Chicago O'Hare → Los Angeles → Tokyo Narita
Timetable, Los Angeles time
17:35UA 576 from Chicago O'Hare at the gate
17:13NH 8407 to Tokyo Narita leaves the gate
23 h 38 apart on the timetable, overnight
NH 8407 leaves 23 h 38 after UA 576 arrives on the timetable: more than half a day, so not a connection we count.