DL 5119 then GB 397 at O'Hare
New York JFK → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
12:46DL 5119 from New York JFK at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
18 h 14 apart on the timetable, overnight
GB 397 leaves 18 h 14 after DL 5119 arrives on the timetable: more than half a day, so not a connection we count.