AA 1998 then AA 980 at Phoenix
Seattle → Phoenix → Burbank
Timetable, Phoenix time
10:24AA 1998 from Seattle at the gate
16:35AA 980 to Burbank leaves the gate
6 h 11 apart on the timetable
The last days
AA 1998 and AA 980 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.