AA 3357 then DL 1720 at Atlanta
Washington National → Atlanta → Tampa
Timetable, Atlanta time
13:50AA 3357 from Washington National at the gate
13:45DL 1720 to Tampa leaves the gate
23 h 55 apart on the timetable, overnight
DL 1720 leaves 23 h 55 after AA 3357 arrives on the timetable: more than half a day, so not a connection we count.