DL 2368 then UA 5021 at O'Hare
Los Angeles → Chicago → Sioux City
Timetable, Chicago time
17:50DL 2368 from Los Angeles at the gate
16:20UA 5021 to Sioux City leaves the gate
22 h 30 apart on the timetable, overnight
UA 5021 leaves 22 h 30 after DL 2368 arrives on the timetable: more than half a day, so not a connection we count.