AA 3449 then UA 4645 at O'Hare
Fargo → Chicago → Fort Wayne
Timetable, Chicago time
15:04AA 3449 from Fargo at the gate
11:25UA 4645 to Fort Wayne leaves the gate
20 h 21 apart on the timetable, overnight
UA 4645 leaves 20 h 21 after AA 3449 arrives on the timetable: more than half a day, so not a connection we count.