UA 2802 then BR 647 at O'Hare
Houston → Chicago → Anchorage
Timetable, Chicago time
10:11UA 2802 from Houston at the gate
09:35BR 647 to Anchorage leaves the gate
23 h 24 apart on the timetable, overnight
BR 647 leaves 23 h 24 after UA 2802 arrives on the timetable: more than half a day, so not a connection we count.