UA 799 then K4 221 at O'Hare
Grand Cayman → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
18:13UA 799 from Grand Cayman at the gate
16:20K4 221 to Cincinnati Northern Kentucky leaves the gate
22 h 07 apart on the timetable, overnight
K4 221 leaves 22 h 07 after UA 799 arrives on the timetable: more than half a day, so not a connection we count.