AA 6486 then KZ 141 at O'Hare
Detroit → Chicago → Tokyo Narita
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
12:10KZ 141 to Tokyo Narita leaves the gate
18 h 41 apart on the timetable, overnight
KZ 141 leaves 18 h 41 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.