AA 1681 then AA 1816 at Miami
Knoxville → Miami → Charleston (South Carolina)
Timetable, Miami time
08:16AA 1681 from Knoxville at the gate
09:08AA 1816 to Charleston (South Carolina) leaves the gate
52 min apart on the timetable
The last days
AA 1681 and AA 1816 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.