DL 5554 then DL 2735 at Atlanta
Macon → Atlanta → Hartford
Timetable, Atlanta time
09:37DL 5554 from Macon at the gate
15:59DL 2735 to Hartford leaves the gate
6 h 22 apart on the timetable
The last days
DL 5554 and DL 2735 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.