AA 3977 then DL 5869 at Detroit
Chicago O'Hare → Detroit → Pittsburgh
Timetable, Detroit time
13:00AA 3977 from Chicago O'Hare at the gate
15:00DL 5869 to Pittsburgh leaves the gate
2 h apart on the timetable
The last days
AA 3977 and DL 5869 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.
Later flights to Pittsburgh
DL 536921:508 h 50 after AA 3977 on the timetable