UA 6047 then AA 3233 at O'Hare
Pittsburgh → Chicago → Phoenix
Timetable, Chicago time
20:31UA 6047 from Pittsburgh at the gate
19:00AA 3233 to Phoenix leaves the gate
22 h 29 apart on the timetable, overnight
AA 3233 leaves 22 h 29 after UA 6047 arrives on the timetable: more than half a day, so not a connection we count.