AA 4294 then UA 4789 at O'Hare
White Plains → Chicago → Fargo
Timetable, Chicago time
19:49AA 4294 from White Plains at the gate
19:45UA 4789 to Fargo leaves the gate
23 h 56 apart on the timetable, overnight
UA 4789 leaves 23 h 56 after AA 4294 arrives on the timetable: more than half a day, so not a connection we count.