F9 4474 then DL 1560 at Atlanta
St Louis → Atlanta → Tampa
Timetable, Atlanta time
21:24F9 4474 from St Louis at the gate
00:56DL 1560 to Tampa leaves the gate
3 h 32 apart on the timetable, overnight
The last days
F9 4474 and DL 1560 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.