UA 6047 then AA 6282 at O'Hare
Pittsburgh → Chicago → Milwaukee
Timetable, Chicago time
19:00UA 6047 from Pittsburgh at the gate
18:56AA 6282 to Milwaukee leaves the gate
23 h 56 apart on the timetable, overnight
AA 6282 leaves 23 h 56 after UA 6047 arrives on the timetable: more than half a day, so not a connection we count.