AA 642 then UA 6055 at O'Hare
Dallas-Fort Worth → Chicago → Hancock
Timetable, Chicago time
13:10AA 642 from Dallas-Fort Worth at the gate
11:48UA 6055 to Hancock leaves the gate
22 h 38 apart on the timetable, overnight
UA 6055 leaves 22 h 38 after AA 642 arrives on the timetable: more than half a day, so not a connection we count.