AA 3405 then K4 556 at O'Hare
Syracuse → Chicago → Tokyo Narita
Timetable, Chicago time
20:18AA 3405 from Syracuse at the gate
16:00K4 556 to Tokyo Narita leaves the gate
19 h 42 apart on the timetable, overnight
K4 556 leaves 19 h 42 after AA 3405 arrives on the timetable: more than half a day, so not a connection we count.