To get an idea of the average flying time of a direct flight to Michigan, check out these common routes: Chicago, IL (ORD-O'Hare Intl.) to Detroit Metropolitan Wayne County Airport (DTW) - 1 hour and 22 minutes Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Detroit Metropolitan Wayne County Airport (DTW) - 1 hour and 55 minutes New York, NY (LGA-LaGuardia) to Detroit Metropolitan Wayne County Airport (DTW) - 1 hour and 59 minutes