DL 2368 then AA 3012 at O'Hare
Los Angeles → Chicago → Pittsburgh
Timetable, Chicago time
17:50DL 2368 from Los Angeles at the gate
17:00AA 3012 to Pittsburgh leaves the gate
23 h 10 apart on the timetable, overnight
AA 3012 leaves 23 h 10 after DL 2368 arrives on the timetable: more than half a day, so not a connection we count.