AA 5341 then AA 1478 at Philadelphia
Dayton → Philadelphia → Fort Lauderdale
Timetable, Philadelphia time
07:46AA 5341 from Dayton at the gate
11:53AA 1478 to Fort Lauderdale leaves the gate
4 h 07 apart on the timetable
The last days
AA 5341 and AA 1478 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.