DL 1007 then DL 1762 at Atlanta
Washington National → Atlanta → Chattanooga
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
16:46DL 1762 to Chattanooga leaves the gate
19 h 05 apart on the timetable, overnight
DL 1762 leaves 19 h 05 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.