BR 646 then UA 2653 at O'Hare
Anchorage → Chicago → Baltimore
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
11:00UA 2653 to Baltimore leaves the gate
17 h 50 apart on the timetable, overnight
UA 2653 leaves 17 h 50 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.