CV 21 then AA 3851 at O'Hare
Anchorage → Chicago → Chattanooga
Timetable, Chicago time
22:27CV 21 from Anchorage at the gate
21:00AA 3851 to Chattanooga leaves the gate
22 h 33 apart on the timetable, overnight
AA 3851 leaves 22 h 33 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.