DL 2840 then DL 1545 at Atlanta
Tampa → Atlanta → Columbus (Ohio)
Timetable, Atlanta time
16:55DL 2840 from Tampa at the gate
18:59DL 1545 to Columbus (Ohio) leaves the gate
2 h 04 apart on the timetable
The last days
DL 2840 and DL 1545 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.