AA 3216 then DL 1720 at Atlanta
Philadelphia → Atlanta → Tampa
Timetable, Atlanta time
17:49AA 3216 from Philadelphia at the gate
13:45DL 1720 to Tampa leaves the gate
19 h 56 apart on the timetable, overnight
DL 1720 leaves 19 h 56 after AA 3216 arrives on the timetable: more than half a day, so not a connection we count.