UA 3304 then AA 5585 at Charlotte
Pittsburgh → Charlotte → Roanoke
Timetable, Charlotte time
13:00UA 3304 from Pittsburgh at the gate
11:30AA 5585 to Roanoke leaves the gate
22 h 30 apart on the timetable, overnight
AA 5585 leaves 22 h 30 after UA 3304 arrives on the timetable: more than half a day, so not a connection we count.