F9 3059 then 1I 595 at Atlanta
Miami → Atlanta → Louisville
Timetable, Atlanta time
13:56F9 3059 from Miami at the gate
17:301I 595 to Louisville leaves the gate
3 h 34 apart on the timetable
The last days
F9 3059 and 1I 595 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.