UA 3495 then GB 397 at O'Hare
Jacksonville → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
11:36UA 3495 from Jacksonville at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
19 h 24 apart on the timetable, overnight
GB 397 leaves 19 h 24 after UA 3495 arrives on the timetable: more than half a day, so not a connection we count.