AA 9909 then AA 2418 at O'Hare
Waterloo → Chicago → Indianapolis
Timetable, Chicago time
17:10AA 9909 from Waterloo at the gate
09:55AA 2418 to Indianapolis leaves the gate
16 h 45 apart on the timetable, overnight
AA 2418 leaves 16 h 45 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.