BR 646 then UA 1673 at O'Hare
Anchorage → Chicago → Dallas-Fort Worth
Timetable, Chicago time
06:51BR 646 from Anchorage at the gate
20:10UA 1673 to Dallas-Fort Worth leaves the gate
13 h 19 apart on the timetable
UA 1673 leaves 13 h 19 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.