UA 1775 then BR 647 at O'Hare
Washington → Chicago → Anchorage
Timetable, Chicago time
09:45UA 1775 from Washington at the gate
09:35BR 647 to Anchorage leaves the gate
23 h 50 apart on the timetable, overnight
BR 647 leaves 23 h 50 after UA 1775 arrives on the timetable: more than half a day, so not a connection we count.