DL 409 then DL 1720 at Atlanta
Ontario → Atlanta → Tampa
Timetable, Atlanta time
14:05DL 409 from Ontario at the gate
13:45DL 1720 to Tampa leaves the gate
23 h 40 apart on the timetable, overnight
DL 1720 leaves 23 h 40 after DL 409 arrives on the timetable: more than half a day, so not a connection we count.