OO 9909 then AA 2418 at O'Hare
Waterloo → Chicago → Indianapolis
Timetable, Chicago time
16:47OO 9909 from Waterloo at the gate
09:55AA 2418 to Indianapolis leaves the gate
17 h 08 apart on the timetable, overnight
AA 2418 leaves 17 h 08 after OO 9909 arrives on the timetable: more than half a day, so not a connection we count.