UA 1401 then GB 397 at O'Hare
Dallas-Fort Worth → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
15:00UA 1401 from Dallas-Fort Worth at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
16 h apart on the timetable, overnight
GB 397 leaves 16 h after UA 1401 arrives on the timetable: more than half a day, so not a connection we count.