DL 2279 then DL 1720 at Atlanta
Philadelphia → Atlanta → Tampa
Timetable, Atlanta time
15:52DL 2279 from Philadelphia at the gate
13:45DL 1720 to Tampa leaves the gate
21 h 53 apart on the timetable, overnight
DL 1720 leaves 21 h 53 after DL 2279 arrives on the timetable: more than half a day, so not a connection we count.