BR 646 then 5X 609 at O'Hare
Anchorage → Chicago → Philadelphia
Timetable, Chicago time
09:50BR 646 from Anchorage at the gate
22:005X 609 to Philadelphia leaves the gate
12 h 10 apart on the timetable
5X 609 leaves 12 h 10 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.