AA 9908 then UA 1532 at O'Hare
Milwaukee → Chicago → New Orleans
Timetable, Chicago time
13:50AA 9908 from Milwaukee at the gate
10:41UA 1532 to New Orleans leaves the gate
20 h 51 apart on the timetable, overnight
UA 1532 leaves 20 h 51 after AA 9908 arrives on the timetable: more than half a day, so not a connection we count.