KJ 248 then DL 775 at Atlanta
Chicago O'Hare → Atlanta → Cleveland
Timetable, Atlanta time
19:54KJ 248 from Chicago O'Hare at the gate
11:20DL 775 to Cleveland leaves the gate
15 h 26 apart on the timetable, overnight
DL 775 leaves 15 h 26 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.