AA 855 then AA 5164 at Charlotte
Dallas-Fort Worth → Charlotte → Knoxville
Timetable, Charlotte time
08:35AA 855 from Dallas-Fort Worth at the gate
18:21AA 5164 to Knoxville leaves the gate
9 h 46 apart on the timetable
The last days
AA 855 and AA 5164 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.