AA 6331 then CI 5233 at O'Hare
Burlington (BTV) → Chicago → Anchorage
Timetable, Chicago time
08:59AA 6331 from Burlington (BTV) at the gate
21:55CI 5233 to Anchorage leaves the gate
12 h 56 apart on the timetable
CI 5233 leaves 12 h 56 after AA 6331 arrives on the timetable: more than half a day, so not a connection we count.