AA 3454 then UA 4645 at O'Hare
Northwest Arkansas → Chicago → Fort Wayne
Timetable, Chicago time
16:05AA 3454 from Northwest Arkansas at the gate
11:25UA 4645 to Fort Wayne leaves the gate
19 h 20 apart on the timetable, overnight
UA 4645 leaves 19 h 20 after AA 3454 arrives on the timetable: more than half a day, so not a connection we count.