AA 1266 then 2I 1199 at Miami
Jacksonville → Miami → Cincinnati
Timetable, Miami time
13:32AA 1266 from Jacksonville at the gate
19:302I 1199 to Cincinnati leaves the gate
5 h 58 apart on the timetable
The last days
AA 1266 and 2I 1199 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.