KD 214 then AA 1479 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
23:24KD 214 from Anchorage at the gate
12:06AA 1479 to Boston leaves the gate
12 h 42 apart on the timetable, overnight
AA 1479 leaves 12 h 42 after KD 214 arrives on the timetable: more than half a day, so not a connection we count.