AA 642 then GF 4115 at O'Hare
Dallas-Fort Worth → Chicago → Dallas-Fort Worth
Timetable, Chicago time
13:10AA 642 from Dallas-Fort Worth at the gate
10:00GF 4115 to Dallas-Fort Worth leaves the gate
20 h 50 apart on the timetable, overnight
GF 4115 leaves 20 h 50 after AA 642 arrives on the timetable: more than half a day, so not a connection we count.