AA 878 then AA 2552 at Charlotte
Orlando → Charlotte → Ontario
Timetable, Charlotte time
20:01AA 878 from Orlando at the gate
20:00AA 2552 to Ontario leaves the gate
23 h 59 apart on the timetable, overnight
AA 2552 leaves 23 h 59 after AA 878 arrives on the timetable: more than half a day, so not a connection we count.