AA 4706 then UA 4789 at O'Hare
Charlottesville → Chicago → Fargo
Timetable, Chicago time
19:52AA 4706 from Charlottesville at the gate
19:45UA 4789 to Fargo leaves the gate
23 h 53 apart on the timetable, overnight
UA 4789 leaves 23 h 53 after AA 4706 arrives on the timetable: more than half a day, so not a connection we count.