UA 6047 then AA 3176 at O'Hare
Pittsburgh → Chicago → Orlando
Timetable, Chicago time
20:31UA 6047 from Pittsburgh at the gate
19:05AA 3176 to Orlando leaves the gate
22 h 34 apart on the timetable, overnight
AA 3176 leaves 22 h 34 after UA 6047 arrives on the timetable: more than half a day, so not a connection we count.