AA 3808 then DL 2646 at O'Hare
White Plains → Chicago → Boston
Timetable, Chicago time
18:22AA 3808 from White Plains at the gate
16:40DL 2646 to Boston leaves the gate
22 h 18 apart on the timetable, overnight
DL 2646 leaves 22 h 18 after AA 3808 arrives on the timetable: more than half a day, so not a connection we count.