GateConnections

AA 1637 then KD 211 at O'Hare

Washington National → Chicago → Anchorage

Timetable, Chicago time

17:00AA 1637 from Washington National at the gate

12:00KD 211 to Anchorage leaves the gate

19 h apart on the timetable, overnight

KD 211 leaves 19 h after AA 1637 arrives on the timetable: more than half a day, so not a connection we count.