AA 2579 then WN 1801 at Denver
Dallas-Fort Worth → Denver → Atlanta
Timetable, Denver time
12:20AA 2579 from Dallas-Fort Worth at the gate
10:55WN 1801 to Atlanta leaves the gate
22 h 35 apart on the timetable, overnight
WN 1801 leaves 22 h 35 after AA 2579 arrives on the timetable: more than half a day, so not a connection we count.