DL 2368 then AA 3558 at O'Hare
Los Angeles → Chicago → Omaha
Timetable, Chicago time
17:50DL 2368 from Los Angeles at the gate
17:24AA 3558 to Omaha leaves the gate
23 h 34 apart on the timetable, overnight
AA 3558 leaves 23 h 34 after DL 2368 arrives on the timetable: more than half a day, so not a connection we count.