NH 12 then OO 9912 at O'Hare
Tokyo Narita → Chicago → Richmond
Timetable, Chicago time
13:50NH 12 from Tokyo Narita at the gate
07:30OO 9912 to Richmond leaves the gate
17 h 40 apart on the timetable, overnight
OO 9912 leaves 17 h 40 after NH 12 arrives on the timetable: more than half a day, so not a connection we count.