DL 348 then DL 1720 at Atlanta
Phoenix → Atlanta → Tampa
Timetable, Atlanta time
17:10DL 348 from Phoenix at the gate
13:45DL 1720 to Tampa leaves the gate
20 h 35 apart on the timetable, overnight
DL 1720 leaves 20 h 35 after DL 348 arrives on the timetable: more than half a day, so not a connection we count.