AA 1858 then AA 2688 at Charlotte
Omaha → Charlotte → Raleigh-Durham
Timetable, Charlotte time
11:19AA 1858 from Omaha at the gate
11:00AA 2688 to Raleigh-Durham leaves the gate
23 h 41 apart on the timetable, overnight
AA 2688 leaves 23 h 41 after AA 1858 arrives on the timetable: more than half a day, so not a connection we count.