AA 9909 then UA 4445 at O'Hare
Waterloo → Chicago → Birmingham (Alabama)
Timetable, Chicago time
17:10AA 9909 from Waterloo at the gate
10:29UA 4445 to Birmingham (Alabama) leaves the gate
17 h 19 apart on the timetable, overnight
UA 4445 leaves 17 h 19 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.