DL 8918 then DL 1605 at Dulles
Indianapolis → Washington → Detroit
Timetable, Washington time
00:38DL 8918 from Indianapolis at the gate
10:57DL 1605 to Detroit leaves the gate
10 h 19 apart on the timetable
The last days
DL 8918 and DL 1605 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.