AA 6116 then AA 5980 at Philadelphia
Syracuse → Philadelphia → Buffalo
Timetable, Philadelphia time
12:08AA 6116 from Syracuse at the gate
16:48AA 5980 to Buffalo leaves the gate
4 h 40 apart on the timetable
The last days
AA 6116 and AA 5980 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.