CV 78 then AA 2682 at O'Hare
Dallas-Fort Worth → Chicago → Boston
Timetable, Chicago time
20:02CV 78 from Dallas-Fort Worth at the gate
19:59AA 2682 to Boston leaves the gate
23 h 57 apart on the timetable, overnight
AA 2682 leaves 23 h 57 after CV 78 arrives on the timetable: more than half a day, so not a connection we count.