AA 9908 then K4 556 at O'Hare
Milwaukee → Chicago → Tokyo Narita
Timetable, Chicago time
13:50AA 9908 from Milwaukee at the gate
09:05K4 556 to Tokyo Narita leaves the gate
19 h 15 apart on the timetable, overnight
K4 556 leaves 19 h 15 after AA 9908 arrives on the timetable: more than half a day, so not a connection we count.