AA 3584 then UA 4645 at O'Hare
Springfield Branson National → Chicago → Fort Wayne
Timetable, Chicago time
12:22AA 3584 from Springfield Branson National at the gate
11:25UA 4645 to Fort Wayne leaves the gate
23 h 03 apart on the timetable, overnight
UA 4645 leaves 23 h 03 after AA 3584 arrives on the timetable: more than half a day, so not a connection we count.