AA 958 then LF 8846 at Charlotte
Phoenix → Charlotte → Knoxville
Timetable, Charlotte time
05:30AA 958 from Phoenix at the gate
09:15LF 8846 to Knoxville leaves the gate
3 h 45 apart on the timetable
The last days
AA 958 and LF 8846 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.