BR 608 then UA 752 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
20:03BR 608 from Anchorage at the gate
12:29UA 752 to Washington National leaves the gate
16 h 26 apart on the timetable, overnight
UA 752 leaves 16 h 26 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.