DL 8913 then DL 1861 at Atlanta
Nashville → Atlanta → San Juan
Timetable, Atlanta time
00:06DL 8913 from Nashville at the gate
18:45DL 1861 to San Juan leaves the gate
18 h 39 apart on the timetable
DL 1861 leaves 18 h 39 after DL 8913 arrives on the timetable: more than half a day, so not a connection we count.