AA 4504 then KZ 141 at O'Hare
South Bend → Chicago → Tokyo Narita
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
12:10KZ 141 to Tokyo Narita leaves the gate
17 h 35 apart on the timetable, overnight
KZ 141 leaves 17 h 35 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.