AA 6000 then AA 5552 at Charlotte
Huntsville → Charlotte → Knoxville
Timetable, Charlotte time
15:16AA 6000 from Huntsville at the gate
20:35AA 5552 to Knoxville leaves the gate
5 h 19 apart on the timetable
The last days
AA 6000 and AA 5552 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.