BR 608 then AA 3980 at O'Hare
Anchorage → Chicago → Champaign
Timetable, Chicago time
20:03BR 608 from Anchorage at the gate
13:49AA 3980 to Champaign leaves the gate
17 h 46 apart on the timetable, overnight
AA 3980 leaves 17 h 46 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.