DL 1813 then AA 3317 at Atlanta
Providence → Atlanta → Miami
Timetable, Atlanta time
12:13DL 1813 from Providence at the gate
17:09AA 3317 to Miami leaves the gate
4 h 56 apart on the timetable
The last days
DL 1813 and AA 3317 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.