AA 3815 then KL 612 at O'Hare
Hartford → Chicago → Amsterdam
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
16:25KL 612 to Amsterdam leaves the gate
20 h 10 apart on the timetable, overnight
KL 612 leaves 20 h 10 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.