DL 2368 then DL 2457 at LAX
Chicago O'Hare → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
21:05DL 2368 from Chicago O'Hare at the gate
20:15DL 2457 to Portland (Oregon) leaves the gate
23 h 10 apart on the timetable, overnight
DL 2457 leaves 23 h 10 after DL 2368 arrives on the timetable: more than half a day, so not a connection we count.