AA 4390 then K4 550 at O'Hare
Syracuse → Chicago → Tokyo Narita
Timetable, Chicago time
13:59AA 4390 from Syracuse at the gate
04:30K4 550 to Tokyo Narita leaves the gate
14 h 31 apart on the timetable, overnight
K4 550 leaves 14 h 31 after AA 4390 arrives on the timetable: more than half a day, so not a connection we count.