DL 1597 then DL 2563 at Atlanta
San Diego → Atlanta → West Palm Beach
Timetable, Atlanta time
05:37DL 1597 from San Diego at the gate
20:45DL 2563 to West Palm Beach leaves the gate
15 h 08 apart on the timetable
DL 2563 leaves 15 h 08 after DL 1597 arrives on the timetable: more than half a day, so not a connection we count.