UA 4718 then GB 397 at O'Hare
Nashville → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
17:00UA 4718 from Nashville at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
14 h apart on the timetable, overnight
GB 397 leaves 14 h after UA 4718 arrives on the timetable: more than half a day, so not a connection we count.