NH 12 then GB 397 at O'Hare
Tokyo Narita → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:50NH 12 from Tokyo Narita at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
17 h 10 apart on the timetable, overnight
GB 397 leaves 17 h 10 after NH 12 arrives on the timetable: more than half a day, so not a connection we count.