DL 1634 then AA 4529 at O'Hare
Los Angeles → Chicago → Kansas City
Timetable, Chicago time
23:55DL 1634 from Los Angeles at the gate
22:40AA 4529 to Kansas City leaves the gate
22 h 45 apart on the timetable, overnight
AA 4529 leaves 22 h 45 after DL 1634 arrives on the timetable: more than half a day, so not a connection we count.