AA 538 then AA 5164 at Charlotte
Phoenix → Charlotte → Knoxville
Timetable, Charlotte time
11:17AA 538 from Phoenix at the gate
18:21AA 5164 to Knoxville leaves the gate
7 h 04 apart on the timetable
The last days
AA 538 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.