UA 1575 then BR 647 at O'Hare
Savannah → Chicago → Anchorage
Timetable, Chicago time
10:41UA 1575 from Savannah at the gate
09:35BR 647 to Anchorage leaves the gate
22 h 54 apart on the timetable, overnight
BR 647 leaves 22 h 54 after UA 1575 arrives on the timetable: more than half a day, so not a connection we count.