UA 928 then AA 9908 at O'Hare
London → Chicago → Milwaukee
Timetable, Chicago time
16:55UA 928 from London at the gate
10:00AA 9908 to Milwaukee leaves the gate
17 h 05 apart on the timetable, overnight
AA 9908 leaves 17 h 05 after UA 928 arrives on the timetable: more than half a day, so not a connection we count.