UA 2865 then GB 397 at O'Hare
Denver → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
14:54UA 2865 from Denver at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
16 h 06 apart on the timetable, overnight
GB 397 leaves 16 h 06 after UA 2865 arrives on the timetable: more than half a day, so not a connection we count.