UA 4484 then GB 397 at O'Hare
Sioux Falls → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:09UA 4484 from Sioux Falls at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
17 h 51 apart on the timetable, overnight
GB 397 leaves 17 h 51 after UA 4484 arrives on the timetable: more than half a day, so not a connection we count.