DL 850 then DL 8844 at Atlanta
Washington National → Atlanta → Detroit
Timetable, Atlanta time
20:29DL 850 from Washington National at the gate
09:28DL 8844 to Detroit leaves the gate
12 h 59 apart on the timetable, overnight
DL 8844 leaves 12 h 59 after DL 850 arrives on the timetable: more than half a day, so not a connection we count.