AA 1826 then AA 3078 at Philadelphia
San Francisco → Philadelphia → Jacksonville
Timetable, Philadelphia time
07:20AA 1826 from San Francisco at the gate
13:00AA 3078 to Jacksonville leaves the gate
5 h 40 apart on the timetable
The last days
AA 1826 and AA 3078 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.