DL 2368 then AA 4494 at O'Hare
Los Angeles → Chicago → Harrisburg
Timetable, Chicago time
17:50DL 2368 from Los Angeles at the gate
16:20AA 4494 to Harrisburg leaves the gate
22 h 30 apart on the timetable, overnight
AA 4494 leaves 22 h 30 after DL 2368 arrives on the timetable: more than half a day, so not a connection we count.