WN 4626 then AA 1277 at Denver
Nashville → Denver → Chicago O'Hare
Timetable, Denver time
18:00WN 4626 from Nashville at the gate
14:30AA 1277 to Chicago O'Hare leaves the gate
20 h 30 apart on the timetable, overnight
AA 1277 leaves 20 h 30 after WN 4626 arrives on the timetable: more than half a day, so not a connection we count.