AA 5050 then SY 8111 at Atlanta
Philadelphia → Atlanta → Chattanooga
Timetable, Atlanta time
14:00AA 5050 from Philadelphia at the gate
18:55SY 8111 to Chattanooga leaves the gate
4 h 55 apart on the timetable
The last days
AA 5050 and SY 8111 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.