UA 3908 then GB 397 at O'Hare
Columbus (Ohio) → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
09:34UA 3908 from Columbus (Ohio) at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
21 h 26 apart on the timetable, overnight
GB 397 leaves 21 h 26 after UA 3908 arrives on the timetable: more than half a day, so not a connection we count.