DL 2368 then AA 2911 at O'Hare
Los Angeles → Chicago → Las Vegas
Timetable, Chicago time
17:50DL 2368 from Los Angeles at the gate
17:20AA 2911 to Las Vegas leaves the gate
23 h 30 apart on the timetable, overnight
AA 2911 leaves 23 h 30 after DL 2368 arrives on the timetable: more than half a day, so not a connection we count.