UA 471 then DL 1005 at Atlanta
Washington → Atlanta → Detroit
Timetable, Atlanta time
14:36UA 471 from Washington at the gate
08:31DL 1005 to Detroit leaves the gate
17 h 55 apart on the timetable, overnight
DL 1005 leaves 17 h 55 after UA 471 arrives on the timetable: more than half a day, so not a connection we count.