UA 3468 then AA 5564 at Charlotte
Newark → Charlotte → Harrisburg
Timetable, Charlotte time
12:39UA 3468 from Newark at the gate
11:15AA 5564 to Harrisburg leaves the gate
22 h 36 apart on the timetable, overnight
AA 5564 leaves 22 h 36 after UA 3468 arrives on the timetable: more than half a day, so not a connection we count.