AA 2811 then MQ 4148 at Miami
Nassau → Miami → Jacksonville
Timetable, Miami time
11:32AA 2811 from Nassau at the gate
18:52MQ 4148 to Jacksonville leaves the gate
7 h 20 apart on the timetable
The last days
AA 2811 and MQ 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.