AA 6366 then DL 3902 at O'Hare
Waterloo → Chicago → Detroit
Timetable, Chicago time
07:39AA 6366 from Waterloo at the gate
11:19DL 3902 to Detroit leaves the gate
3 h 40 apart on the timetable
Today
From the airport’s board at 10:43 Chicago time
07:48AA 6366 reached the gate9 min late
11:19DL 3902 due to leave, no estimate yet
3 h 31 between the gates, on these times
The last days
AA 6366 and DL 3902 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.