DL 346 then DL 1720 at Atlanta
Denver → Atlanta → Tampa
Timetable, Atlanta time
15:20DL 346 from Denver at the gate
13:45DL 1720 to Tampa leaves the gate
22 h 25 apart on the timetable, overnight
DL 1720 leaves 22 h 25 after DL 346 arrives on the timetable: more than half a day, so not a connection we count.