DL 1007 then DL 2381 at Atlanta
Washington National → Atlanta → Houston Hobby
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
15:15DL 2381 to Houston Hobby leaves the gate
17 h 34 apart on the timetable, overnight
DL 2381 leaves 17 h 34 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.