AA 4107 then UA 3874 at O'Hare
Fargo → Chicago → LCQ
Timetable, Chicago time
07:18AA 4107 from Fargo at the gate
06:30UA 3874 to LCQ leaves the gate
23 h 12 apart on the timetable, overnight
UA 3874 leaves 23 h 12 after AA 4107 arrives on the timetable: more than half a day, so not a connection we count.