AA 6244 then AA 1390 at O'Hare
Detroit → Chicago → Newark
Timetable, Chicago time
17:32AA 6244 from Detroit at the gate
18:07AA 1390 to Newark leaves the gate
35 min apart on the timetable
The last days
AA 6244 and AA 1390 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.