UA 3879 then DL 201 at Miami
Chicago O'Hare → Miami → Atlanta
Timetable, Miami time
01:43UA 3879 from Chicago O'Hare at the gate
10:00DL 201 to Atlanta leaves the gate
8 h 17 apart on the timetable
The last days
UA 3879 and DL 201 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.