AA 1275 then AA 4524 at O'Hare
Newark → Chicago → Memphis
Timetable, Chicago time
07:28AA 1275 from Newark at the gate
11:50AA 4524 to Memphis leaves the gate
4 h 22 apart on the timetable
Today
From the airport’s board at 21:15 Chicago time
07:38AA 1275 reached the gate10 min late
11:43AA 4524 left the gate7 min early
4 h 05 between the gates
The last days
AA 1275 and AA 4524 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.