CV 78 then AA 4981 at O'Hare
Dallas-Fort Worth → Chicago → South Bend
Timetable, Chicago time
20:02CV 78 from Dallas-Fort Worth at the gate
19:20AA 4981 to South Bend leaves the gate
23 h 18 apart on the timetable, overnight
AA 4981 leaves 23 h 18 after CV 78 arrives on the timetable: more than half a day, so not a connection we count.