DL 1012 then DL 1591 at Atlanta
Memphis → Atlanta → Tampa
Timetable, Atlanta time
12:54DL 1012 from Memphis at the gate
20:45DL 1591 to Tampa leaves the gate
7 h 51 apart on the timetable
The last days
DL 1012 and DL 1591 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.