BR 642 then UA 1779 at O'Hare
Anchorage → Chicago → Washington
Timetable, Chicago time
08:55BR 642 from Anchorage at the gate
21:41UA 1779 to Washington leaves the gate
12 h 46 apart on the timetable
UA 1779 leaves 12 h 46 after BR 642 arrives on the timetable: more than half a day, so not a connection we count.