DL 1813 then DL 1507 at Atlanta
Providence → Atlanta → Tri-Cities
Timetable, Atlanta time
12:13DL 1813 from Providence at the gate
12:06DL 1507 to Tri-Cities leaves the gate
23 h 53 apart on the timetable, overnight
DL 1507 leaves 23 h 53 after DL 1813 arrives on the timetable: more than half a day, so not a connection we count.