AA 4741 then K4 550 at O'Hare
Portland (Maine) → Chicago → Tokyo Narita
Timetable, Chicago time
14:16AA 4741 from Portland (Maine) at the gate
04:15K4 550 to Tokyo Narita leaves the gate
13 h 59 apart on the timetable, overnight
K4 550 leaves 13 h 59 after AA 4741 arrives on the timetable: more than half a day, so not a connection we count.