UA 5754 then GB 397 at O'Hare
Duluth → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:12UA 5754 from Duluth at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
17 h 48 apart on the timetable, overnight
GB 397 leaves 17 h 48 after UA 5754 arrives on the timetable: more than half a day, so not a connection we count.