AA 2896 then UA 1896 at DFW
Chicago O'Hare → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
00:43AA 2896 from Chicago O'Hare at the gate
20:43UA 1896 to Chicago O'Hare leaves the gate
20 h apart on the timetable
UA 1896 leaves 20 h after AA 2896 arrives on the timetable: more than half a day, so not a connection we count.