AA 1046 then DL 3146 at Atlanta
Miami → Atlanta → New Orleans
Timetable, Atlanta time
10:02AA 1046 from Miami at the gate
15:16DL 3146 to New Orleans leaves the gate
5 h 14 apart on the timetable
The last days
AA 1046 and DL 3146 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.