AA 2964 then AA 5898 at Philadelphia
San Francisco → Philadelphia → Bangor
Timetable, Philadelphia time
14:50AA 2964 from San Francisco at the gate
15:45AA 5898 to Bangor leaves the gate
55 min apart on the timetable
The last days
AA 2964 and AA 5898 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.