DL 1007 then 7L 4862 at Atlanta
Washington National → Atlanta → Houston
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
11:007L 4862 to Houston leaves the gate
13 h 19 apart on the timetable, overnight
7L 4862 leaves 13 h 19 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.