DL 1007 then DL 2150 at Atlanta
Washington National → Atlanta → Cleveland
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
18:54DL 2150 to Cleveland leaves the gate
21 h 13 apart on the timetable, overnight
DL 2150 leaves 21 h 13 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.