DL 5551 then DL 1709 at Atlanta
Charlotte → Atlanta → Fort Lauderdale
Timetable, Atlanta time
08:26DL 5551 from Charlotte at the gate
09:35DL 1709 to Fort Lauderdale leaves the gate
1 h 09 apart on the timetable
The last days
DL 5551 and DL 1709 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.