AA 577 then F9 1402 at Denver
Dallas-Fort Worth → Denver → Nashville
Timetable, Denver time
22:20AA 577 from Dallas-Fort Worth at the gate
10:39F9 1402 to Nashville leaves the gate
12 h 19 apart on the timetable, overnight
F9 1402 leaves 12 h 19 after AA 577 arrives on the timetable: more than half a day, so not a connection we count.