OO 9909 then AA 2419 at O'Hare
Waterloo → Chicago → Dallas-Fort Worth
Timetable, Chicago time
16:47OO 9909 from Waterloo at the gate
15:00AA 2419 to Dallas-Fort Worth leaves the gate
22 h 13 apart on the timetable, overnight
AA 2419 leaves 22 h 13 after OO 9909 arrives on the timetable: more than half a day, so not a connection we count.