AA 990 then AA 6486 at O'Hare
Phoenix → Chicago → Detroit
Timetable, Chicago time
11:39AA 990 from Phoenix at the gate
13:34AA 6486 to Detroit leaves the gate
1 h 55 apart on the timetable
Today
From the airport’s board at 22:13 Chicago time
11:31AA 990 reached the gate8 min early
13:27AA 6486 left the gate7 min early
1 h 56 between the gates
The last days
AA 990 and AA 6486 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.