WN 4626 then AA 1756 at Denver
Nashville → Denver → Dallas-Fort Worth
Timetable, Denver time
18:00WN 4626 from Nashville at the gate
10:39AA 1756 to Dallas-Fort Worth leaves the gate
16 h 39 apart on the timetable, overnight
AA 1756 leaves 16 h 39 after WN 4626 arrives on the timetable: more than half a day, so not a connection we count.