UA 1732 then KD 211 at O'Hare
Boston → Chicago → Anchorage
Timetable, Chicago time
14:18UA 1732 from Boston at the gate
12:00KD 211 to Anchorage leaves the gate
21 h 42 apart on the timetable, overnight
KD 211 leaves 21 h 42 after UA 1732 arrives on the timetable: more than half a day, so not a connection we count.