AA 2564 then UA 4645 at O'Hare
Los Angeles → Chicago → Fort Wayne
Timetable, Chicago time
12:21AA 2564 from Los Angeles at the gate
11:25UA 4645 to Fort Wayne leaves the gate
23 h 04 apart on the timetable, overnight
UA 4645 leaves 23 h 04 after AA 2564 arrives on the timetable: more than half a day, so not a connection we count.