DL 201 then DL 8801 at Atlanta
Johannesburg → Atlanta → Miami
Timetable, Atlanta time
07:14DL 201 from Johannesburg at the gate
10:04DL 8801 to Miami leaves the gate
2 h 50 apart on the timetable
The last days
DL 201 and DL 8801 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.