UA 4040 then DL 3045 at Atlanta
Houston → Atlanta → Panama City Beach
Timetable, Atlanta time
10:36UA 4040 from Houston at the gate
10:12DL 3045 to Panama City Beach leaves the gate
23 h 36 apart on the timetable, overnight
DL 3045 leaves 23 h 36 after UA 4040 arrives on the timetable: more than half a day, so not a connection we count.