AA 4697 then DL 2372 at Atlanta
Washington National → Atlanta → Roanoke
Timetable, Atlanta time
10:24AA 4697 from Washington National at the gate
22:59DL 2372 to Roanoke leaves the gate
12 h 35 apart on the timetable
DL 2372 leaves 12 h 35 after AA 4697 arrives on the timetable: more than half a day, so not a connection we count.