DL 1787 then AA 6325 at Detroit
Washington → Detroit → Chicago O'Hare
Timetable, Detroit time
18:53DL 1787 from Washington at the gate
00:30AA 6325 to Chicago O'Hare leaves the gate
5 h 37 apart on the timetable, overnight
The last days
DL 1787 and AA 6325 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.