AA 1466 then AA 3711 at Charlotte
Jacksonville → Charlotte → Springfield
Timetable, Charlotte time
06:34AA 1466 from Jacksonville at the gate
10:27AA 3711 to Springfield leaves the gate
3 h 53 apart on the timetable
The last days
AA 1466 and AA 3711 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.