DL 2314 then DL 378 at Atlanta
Providence → Atlanta → Washington National
Timetable, Atlanta time
21:49DL 2314 from Providence at the gate
20:59DL 378 to Washington National leaves the gate
23 h 10 apart on the timetable, overnight
DL 378 leaves 23 h 10 after DL 2314 arrives on the timetable: more than half a day, so not a connection we count.