AA 4150 then AA 1696 at O'Hare
Manchester → Chicago → Atlanta
Timetable, Chicago time
09:00AA 4150 from Manchester at the gate
11:55AA 1696 to Atlanta leaves the gate
2 h 55 apart on the timetable
The last days
AA 4150 and AA 1696 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.