DL 4654 then DL 1525 at Atlanta
Knoxville → Atlanta → Tampa
Timetable, Atlanta time
09:44DL 4654 from Knoxville at the gate
12:33DL 1525 to Tampa leaves the gate
2 h 49 apart on the timetable
The last days
DL 4654 and DL 1525 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.