F9 4076 then DL 1720 at Atlanta
Houston → Atlanta → Tampa
Timetable, Atlanta time
15:44F9 4076 from Houston at the gate
13:45DL 1720 to Tampa leaves the gate
22 h 01 apart on the timetable, overnight
DL 1720 leaves 22 h 01 after F9 4076 arrives on the timetable: more than half a day, so not a connection we count.