AA 6371 then BR 643 at O'Hare
Shenandoah Valley → Chicago → Anchorage
Timetable, Chicago time
15:00AA 6371 from Shenandoah Valley at the gate
11:55BR 643 to Anchorage leaves the gate
20 h 55 apart on the timetable, overnight
BR 643 leaves 20 h 55 after AA 6371 arrives on the timetable: more than half a day, so not a connection we count.