AA 9908 then UA 3911 at O'Hare
Milwaukee → Chicago → Newark
Timetable, Chicago time
13:50AA 9908 from Milwaukee at the gate
12:00UA 3911 to Newark leaves the gate
22 h 10 apart on the timetable, overnight
UA 3911 leaves 22 h 10 after AA 9908 arrives on the timetable: more than half a day, so not a connection we count.