AA 642 then KZ 141 at O'Hare
Dallas-Fort Worth → Chicago → Tokyo Narita
Timetable, Chicago time
13:10AA 642 from Dallas-Fort Worth at the gate
12:10KZ 141 to Tokyo Narita leaves the gate
23 h apart on the timetable, overnight
KZ 141 leaves 23 h after AA 642 arrives on the timetable: more than half a day, so not a connection we count.