AA 9909 then AA 6287 at O'Hare
Waterloo → Chicago → Wichita
Timetable, Chicago time
17:10AA 9909 from Waterloo at the gate
15:00AA 6287 to Wichita leaves the gate
21 h 50 apart on the timetable, overnight
AA 6287 leaves 21 h 50 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.