AA 336 then AA 4148 at Miami
Roatán → Miami → Jacksonville
Timetable, Miami time
18:04AA 336 from Roatán at the gate
18:52AA 4148 to Jacksonville leaves the gate
48 min apart on the timetable
The last days
AA 336 and AA 4148 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.