OO 9909 then AA 1898 at O'Hare
Waterloo → Chicago → Jackson
Timetable, Chicago time
16:47OO 9909 from Waterloo at the gate
09:58AA 1898 to Jackson leaves the gate
17 h 11 apart on the timetable, overnight
AA 1898 leaves 17 h 11 after OO 9909 arrives on the timetable: more than half a day, so not a connection we count.