OO 9909 then NH 11 at O'Hare
Waterloo → Chicago → Tokyo Narita
Timetable, Chicago time
16:47OO 9909 from Waterloo at the gate
10:30NH 11 to Tokyo Narita leaves the gate
17 h 43 apart on the timetable, overnight
NH 11 leaves 17 h 43 after OO 9909 arrives on the timetable: more than half a day, so not a connection we count.