AA 2735 then UA 4789 at O'Hare
Sacramento → Chicago → Fargo
Timetable, Chicago time
20:30AA 2735 from Sacramento at the gate
19:45UA 4789 to Fargo leaves the gate
23 h 15 apart on the timetable, overnight
UA 4789 leaves 23 h 15 after AA 2735 arrives on the timetable: more than half a day, so not a connection we count.