AA 1407 then DL 961 at DFW
Phoenix → Dallas-Fort Worth → Atlanta
Timetable, Dallas-Fort Worth time
23:56AA 1407 from Phoenix at the gate
12:23DL 961 to Atlanta leaves the gate
12 h 27 apart on the timetable, overnight
DL 961 leaves 12 h 27 after AA 1407 arrives on the timetable: more than half a day, so not a connection we count.