F9 4435 then DL 2381 at Atlanta
Tampa → Atlanta → Houston Hobby
Timetable, Atlanta time
15:30F9 4435 from Tampa at the gate
15:18DL 2381 to Houston Hobby leaves the gate
23 h 48 apart on the timetable, overnight
DL 2381 leaves 23 h 48 after F9 4435 arrives on the timetable: more than half a day, so not a connection we count.