AA 3815 then UA 714 at O'Hare
Hartford → Chicago → Houston
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
16:07UA 714 to Houston leaves the gate
19 h 52 apart on the timetable, overnight
UA 714 leaves 19 h 52 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.