SY 1629 then UA 5021 at O'Hare
Minneapolis → Chicago → Sioux City
Timetable, Chicago time
16:40SY 1629 from Minneapolis at the gate
16:20UA 5021 to Sioux City leaves the gate
23 h 40 apart on the timetable, overnight
UA 5021 leaves 23 h 40 after SY 1629 arrives on the timetable: more than half a day, so not a connection we count.