2I 1650 then DL 1139 at Atlanta
Cincinnati → Atlanta → Chicago O'Hare
Timetable, Atlanta time
05:542I 1650 from Cincinnati at the gate
19:35DL 1139 to Chicago O'Hare leaves the gate
13 h 41 apart on the timetable
DL 1139 leaves 13 h 41 after 2I 1650 arrives on the timetable: more than half a day, so not a connection we count.