AA 2115 then AA 5904 at Charlotte
Los Angeles → Charlotte → Knoxville
Timetable, Charlotte time
06:36AA 2115 from Los Angeles at the gate
10:40AA 5904 to Knoxville leaves the gate
4 h 04 apart on the timetable
The last days
AA 2115 and AA 5904 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.