AA 39 then AA 1005 at Miami
London → Miami → Jacksonville
Timetable, Miami time
17:05AA 39 from London at the gate
19:45AA 1005 to Jacksonville leaves the gate
2 h 40 apart on the timetable
The last days
AA 39 and AA 1005 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.