AA 2155 then UA 3907 at O'Hare
Hartford → Chicago → Cleveland
Timetable, Chicago time
14:10AA 2155 from Hartford at the gate
07:30UA 3907 to Cleveland leaves the gate
17 h 20 apart on the timetable, overnight
UA 3907 leaves 17 h 20 after AA 2155 arrives on the timetable: more than half a day, so not a connection we count.