UA 2133 then BR 643 at O'Hare
Austin → Chicago → Anchorage
Timetable, Chicago time
12:29UA 2133 from Austin at the gate
11:55BR 643 to Anchorage leaves the gate
23 h 26 apart on the timetable, overnight
BR 643 leaves 23 h 26 after UA 2133 arrives on the timetable: more than half a day, so not a connection we count.